Table of Contents

Until early 2012 we kept track of publications that used MIX. Many meta-analyses have been published since then in which MIX 2.0 was used. We may update this page again at some point, but all authors named on this page can testify to the validity and ease of use of the MIX software.

2012 #

Alavian SM, Tabatabaei SV, Behnava B. Impact of erythropoietin on sustained virological response to peginterferon and ribavirin therapy for HCV infection: a systematic review and meta-analysis. J Viral Hepat. 2012 Feb;19(2):88–93.

Aurora RN, Chowdhuri S, Ramar K, Bista SR, Casey KR, Lamm CI, Kristo DA, Mallea JM, Rowley JA, Zak RS, Tracy SL. The treatment of central sleep apnea syndromes in adults: practice parameters with an evidence-based literature review and meta-analyses. Sleep. 2012 Jan 1;35(1):17-40.

Aurora RN, Kristo DA, Bista SR, Rowley JA, Zak RS, Casey KR, Lamm CI, Tracy SL, Rosenberg RS. Update to the AASM Clinical Practice Guideline: “The treatment of restless legs syndrome and periodic limb movement disorder in adults-an update for 2012: practice parameters with an evidence-based systematic review and meta-analyses”. Sleep. 2012 Aug 1;35(8):1037.

Aurora RN, Kristo DA, Bista SR, Rowley JA, Zak RS, Casey KR, Lamm CI, Tracy SL, Rosenberg RS. The treatment of restless legs syndrome and periodic limb movement disorder in adults-an update for 2012: practice parameters with an evidence-based systematic review and meta-analyses: an American Academy of Sleep Medicine Clinical Practice Guideline. Sleep. 2012 Aug 1;35(8):1039-62.

Becker JH, Bax L, Amer-Wahlin I, Ojala K, Vayssiere C, Westerhuis ME, Mol BW, Visser GH, Marsal K, Kwee A, Moons KG. ST analysis of the fetal electrocardiogram in intrapartum fetal monitoring: a meta-analysis. Obstet Gynecol. 2012 Jan;119(1):145-54.

Beretta L, Rueda B, Marchini M, Santaniello A, Simeon CP, Fonollosa V, Caronni M, Rios-Fernandez R, Carreira P, Rodriguez-Rodriguez L, Moreno A, Lopez-Nevot MA, Escalera A, Gonzalez-Escribano MF, Martin J, Scorza R. Analysis of Class II human leucocyte antigens in Italian and Spanish systemic sclerosis. Rheumatology (Oxford). 2012 Jan;51(1):52-9.

Bitar M, Friederici V, Imgrund P, Brose C, Bruinink A. In vitro bioactivity of micro metal injection moulded stainless steel with defined surface features. Eur Cell Mater. 2012 May 4;23:333-47.

Bloch MH, Hannestad J. Omega-3 fatty acids for the treatment of depression: systematic review and meta-analysis. Mol Psychiatry. 2012 Dec;17(12):1272-82.

Bonet Beltran M, Allal AS, Gich I, Sole JM, Carrio I. Is adjuvant radiotherapy needed after curative resection of extrahepatic biliary tract cancers? A systematic review with a meta-analysis of observational studies. Cancer Treat Rev. 2012 Apr;38(2):111-9.

Bora E, Fornito A, Pantelis C, Yucel M. Gray matter abnormalities in Major Depressive Disorder: a meta-analysis of voxel based morphometry studies. J Affect Disord. 2012 Apr;138(1-2):9-18.

Chamorro AJ, Marcos M, Miron-Canelo JA, Pastor I, Gonzalez-Sarmiento R, Laso FJ. Association of µ-opioid receptor (OPRM1) gene polymorphism with response to naltrexone in alcohol dependence: a systematic review and meta-analysis. Addict Biol. 2012 May;17(3):505-12.

Chen M, Tse LA. Laryngeal cancer and silica dust exposure: a systematic review and meta-analysis. Am J Ind Med. 2012 Aug;55(8):669-76.

D’Elia L, Rossi G, Ippolito R, Cappuccio FP, Strazzullo P. Habitual salt intake and risk of gastric cancer: a meta-analysis of prospective studies. Clin Nutr. 2012 Aug;31(4):489-98.

Demeulemeester M, Amad A, Bubrovszky M, Pins D, Thomas P, Jardri R. What is the real effect of 1-Hz repetitive transcranial magnetic stimulation on hallucinations? Controlling for publication bias in neuromodulation trials. Biol Psychiatry. 2012 Mar 15;71(6):e15-6.

Depp CA, Mausbach BT, Harmell AL, Savla GN, Bowie CR, Harvey PD, Patterson TL. Meta-analysis of the association between cognitive abilities and everyday functioning in bipolar disorder. Bipolar Disord. 2012 May;14(3):217-26.

Distler MG, Plant LD, Sokoloff G, Hawk AJ, Aneas I, Wuenschell GE, Termini J, Meredith SC, Nobrega MA, Palmer AA. Glyoxalase 1 increases anxiety by reducing GABAA receptor agonist methylglyoxal. J Clin Invest. 2012 Jun 1;122(6):2306-15.

Dunst CJ, Hamby DW. Guide for calculating and interpreting effect sizes and confidence intervals in intellectual and developmental disability research studies. J Intellect Dev Disabil. 2012 Jun;37(2):89-99.

Ferreira JR, Souza RP. Botulinum toxin for vaginismus treatment. Pharmacology. 2012;89(5-6):256-9.

Han S, Iglay K, Davies MJ, Zhang Q, Radican L. Glycemic effectiveness and medication adherence with fixed-dose combination or coadministered dual therapy of antihyperglycemic regimens: a meta-analysis. Curr Med Res Opin. 2012 Jun;28(6):969-77.

Jacobsson JA, Rask-Andersen M, Riserus U, Moschonis G, Koumpitski A, Chrousos GP, Lannfelt L, Marcus C, Gyllensten U, Schioth HB, Fredriksson R. Genetic variants near the MGAT1 gene are associated with body weight, BMI and fatty acid metabolism among adults and children. Int J Obes (Lond). 2012 Jan;36(1):119-29.

Kengne AP, Ntyintyane LM, Mayosi BM. A systematic overview of prospective cohort studies of cardiovascular disease in sub-Saharan Africa. Cardiovasc J Afr. 2012 Mar;23(2):103-12.

Kim JY, Davila AA, Persing S, Connor CM, Jovanovic B, Khan SA, Fine N, Rawlani V. A meta-analysis of human acellular dermis and submuscular tissue expander breast reconstruction. Plast Reconstr Surg. 2012 Jan;129(1):28-41.

Kim WO, Song BM, Kil HK. Efficacy and safety of a lidocaine/tetracaine medicated patch or peel for dermatologic procedures: a meta-analysis. Korean J Anesthesiol. 2012 May;62(5):435-40.

Lukacs K, Hosszufalusi N, Dinya E, Bakacs M, Madacsy L, Panczel P. The type 2 diabetes-associated variant in TCF7L2 is associated with latent autoimmune diabetes in adult Europeans and the gene effect is modified by obesity: a meta-analysis and an individual study. Diabetologia. 2012 Mar;55(3):689-93.

Mickenautsch S. SYSTEM Research note on: Recognizing statistical in-between-trials heterogeneity. J Minim Interv Dent. 2012;5(1):1-4.

Mickenautsch S, Yengopal V. Anticariogenic effect of xylitol versus fluoride – a quantitative systematic review of clinical trials. Int Dent J. 2012 Feb;62(1):6-20.

Mickenautsch S, Yengopal V. Failure rate of atraumatic restorative treatment using high-viscosity glass-ionomer cement compared to that of conventional amalgam restorative treatment in primary and permanent teeth: a systematic review update. J Minim Interv Dent. 2012;5(3):63-124.

Mickenautsch S, Yengopal V. Effect of xylitol versus sorbitol: a quantitative systematic review of clinical trials. Int Dent J. 2012 Aug;62(4):175-88.

Mickenautsch S, Yengopal V, Banerjee A. Retention of orthodontic brackets bonded with resin-modified GIC versus composite resin adhesives–a quantitative systematic review of clinical trials. Clin Oral Investig. 2012 Feb;16(1):1-14.

Neyeloff JL, Fuchs SC, Moreira LB. Meta-analyses and Forest plots using a microsoft excel spreadsheet: step-by-step guide focusing on descriptive data analysis. BMC Res Notes. 2012 Jan 20;5:52.

Ng SC, Tsoi KK, Hirai HW, Lee YT, Wu JC, Sung JJ, Chan FK, Lau JY. The efficacy of cap-assisted colonoscopy in polyp detection and cecal intubation: a meta-analysis of randomized controlled trials. Am J Gastroenterol. 2012 Aug;107(8):1165-73.

Pan PL, Song W, Shang HF. Voxel-wise meta-analysis of gray matter abnormalities in idiopathic Parkinson’s disease. Eur J Neurol. 2012 Feb;19(2):199-206.

Rachoin JS, Skaf J, Cerceo E, Fitzpatrick E, Milcarek B, Kupersmith E, Scheurer DB. The impact of hospitalists on length of stay and costs: systematic review and meta-analysis. Am J Manag Care. 2012 Jan 1;18(1):e23-30.

Rahayel S, Frasnelli J, Joubert S. The effect of Alzheimer’s disease and Parkinson’s disease on olfaction: a meta-analysis. Behav Brain Res. 2012 May 16;231(1):60-74.

Sarecka-Hujar B, Kopyta I, Pienczk-Reclawowicz K, Reclawowicz D, Emich-Widera E, Pilarska E. The TT genotype of methylenetetrahydrofolate reductase 677C>T polymorphism increases the susceptibility to pediatric ischemic stroke: meta-analysis of the 822 cases and 1,552 controls. Mol Biol Rep. 2012 Aug;39(8):7957-63.

Schenker ML, Yannascoli S, Baldwin KD, Ahn J, Mehta S. Does timing to operative debridement affect infectious complications in open long-bone fractures? A systematic review. J Bone Joint Surg Am. 2012 Jun 20;94(12):1057-64.

Shiroma EJ, Ferguson PL, Pickelsimer EE. Prevalence of traumatic brain injury in an offender population: a meta-analysis. J Head Trauma Rehabil. 2012 May-Jun;27(3):E1-10.

Soykan CU, Brand LA, Ries L, Stromberg JC, Hass C, Simmons DA Jr, Patterson WJ, Sabo JL. Multitaxonomic diversity patterns along a desert riparian-upland gradient. PLOS ONE. 2012;7(1):e28235.

Stedal K, Frampton I, Landro NI, Lask B. An examination of the ravello profile–a neuropsychological test battery for anorexia nervosa. Eur Eat Disord Rev. 2012 May;20(3):175-81.

Tahiri M, Mottillo S, Joseph L, Pilote L, Eisenberg MJ. Alternative smoking cessation aids: a meta-analysis of randomized controlled trials. Am J Med. 2012 Jun;125(6):576-84.

Taneja C, Papakostas GI, Jing Y, Baker RA, Forbes RA, Oster G. Cost-effectiveness of adjunctive therapy with atypical antipsychotics for acute treatment of major depressive disorder. Ann Pharmacother. 2012 May;46(5):642-9.

Trivedi NA, Shah PC. A meta-analysis comparing the safety and efficacy of azithromycin over the alternate drugs used for treatment of uncomplicated enteric fever. J Postgrad Med. 2012 Apr-Jun;58(2):112-8.

Umar M, Upadhyay R, Kumar S, Ghoshal UC, Mittal B. Null association of NQO1 609C>T and NQO2 -3423G>A polymorphisms with susceptibility and prognosis of Esophageal cancer in north Indian population and meta-analysis. Cancer Epidemiol. 2012 Dec;36(6):e373-9.

van Gaalen FA. Does HLA-B*2706 protect against ankylosing spondylitis? A meta-analysis. Int J Rheum Dis. 2012 Feb;15(1):8–12.

Yengopal V, Mickenautsch S. Chlorhexidine for the prevention of alveolar osteitis. Int J Oral Maxillofac Surg. 2012 Oct;41(10):1253-64.

Zarrabeitia MT, Valero C, Martin-Escudero JC, Olmos JM, Bolado-Carrancio A, de Sande-Nacarino EL, Rodriguez-Rey JC, Sainz J, Riancho JA. Association study of sirtuin 1 polymorphisms with bone mineral density and body mass index. Arch Med Res. 2012 Jul;43(5):363-8.

2011 #

Alavian SM, Tabatabaei SV, Behnava B, Mahboobi N. Optimal duration of treatment for HCV genotype 1 infection in slow responders: a meta-analysis. Hepat Mon. 2011 Aug;11(8):612-9.

Albert SG, Ariyan S, Rather A. The effect of etomidate on adrenal function in critical illness: a systematic review. Intensive Care Med. 2011 Jun;37(6):901-10.

Baldwin K, Namdari S, Donegan D, Kamath AF, Mehta S. Early effects of resident work-hour restrictions on patient safety: a systematic review and plea for improved studies. J Bone Joint Surg Am. 2011 Jan 19;93(2):e5.

Benyamina A, Kebir O, Blecha L, Reynaud M, Krebs MO. CNR1 gene polymorphisms in addictive disorders: a systematic review and a meta-analysis. Addict Biol. 2011 Jan;16(1):1-6.

Bjorkhem-Bergman L, Asplund AB, Lindh JD. Metformin for weight reduction in non-diabetic patients on antipsychotic drugs: a systematic review and meta-analysis. J Psychopharmacol. 2011 Mar;25(3):299-305.

Bora E, Fornito A, Radua J, Walterfang M, Seal M, Wood SJ, Yucel M, Velakoulis D, Pantelis C. Neuroanatomical abnormalities in schizophrenia: a multimodal voxelwise meta-analysis and meta-regression analysis. Schizophr Res. 2011 Apr;127(1-3):46-57.

Bora E, Yucel M, Pantelis C, Berk M. Meta-analytic review of neurocognition in bipolar II disorder. Acta Psychiatr Scand. 2011 Mar;123(3):165-74.

Calvin CM, Deary IJ, Fenton C, Roberts BA, Der G, Leckenby N, Batty GD. Intelligence in youth and all-cause-mortality: systematic review with meta-analysis. Int J Epidemiol. 2011 Jun;40(3):626-44.

Campbell V, Murphy G, Romanuk TN. Experimental design and the outcome and interpretation of diversity–stability relations. Oikos. 2011 Mar;120(3):399–408.

Cappabianca G, Rotunno C, de Luca Tupputi Schinosa L, Ranieri VM, Paparella D. Protective effects of steroids in cardiac surgery: a meta-analysis of randomized double-blind trials. J Cardiothorac Vasc Anesth. 2011 Feb;25(1):156-65.

Cappuccio FP, Cooper D, D’Elia L, Strazzullo P, Miller MA. Sleep duration predicts cardiovascular outcomes: a systematic review and meta-analysis of prospective studies. Eur Heart J. 2011 Jun;32(12):1484-92.

Cicero AF, Gerocarni B, Laghi L, Borghi C. Blood pressure lowering effect of lactotripeptides assumed as functional foods: a meta-analysis of current available clinical trials. J Hum Hypertens. 2011 Jul;25(7):425-36.

Correia LC, Esteves JP. C-Reactive protein and outcomes in acute coronary syndromes: a systematic review and meta-analysis. Arq Bras Cardiol. 2011 Jul;97(1):76-85.

Dayan N, Holcroft C, Tagalakis V. The risk of venous thrombosis, including cerebral vein thrombosis, among women with thrombophilia and oral contraceptive use: a meta-analysis. Clin Appl Thromb Hemost. 2011 Nov-Dec;17(6):E141-52.

D’Elia L, Barba G, Cappuccio FP, Strazzullo P. Potassium intake, stroke, and cardiovascular disease a meta-analysis of prospective studies. J Am Coll Cardiol. 2011 Mar 8;57(10):1210-9.

Edelsberg JS, Lord C, Oster G. Systematic review and meta-analysis of efficacy, safety, and tolerability data from randomized controlled trials of drugs used to treat postherpetic neuralgia. Ann Pharmacother. 2011 Dec;45(12):1483-90.

Feldman DN, Kim L, Rene AG, Minutello RM, Bergman G, Wong SC. Prognostic value of cardiac troponin-I or troponin-T elevation following nonemergent percutaneous coronary intervention: a meta-analysis. Catheter Cardiovasc Interv. 2011 Jun 1;77(7):1020-30.

Filion KB, Abenhaim HA, Mottillo S, Joseph L, Gervais A, O’Loughlin J, Paradis G, Pihl R, Pilote L, Rinfret S, Tremblay M, Eisenberg MJ. The effect of smoking cessation counselling in pregnant women: a meta-analysis of randomised controlled trials. BJOG. 2011 Nov;118(12):1422-8.

Haerian BS, Lim KS, Mohamed EH, Tan HJ, Tan CT, Raymond AA, Wong CP, Wong SW, Mohamed Z. Lack of association of ABCB1 haplotypes on five loci with response to treatment in epilepsy. Seizure. 2011 Sep;20(7):546-53.

Haerian BS, Lim KS, Tan CT, Raymond AA, Mohamed Z. Association of ABCB1 gene polymorphisms and their haplotypes with response to antiepileptic drugs: a systematic review and meta-analysis. Pharmacogenomics. 2011 May;12(5):713-25.

Haerian BS, Lim KS, Tan HJ, Wong CP, Wong SW, Tan CT, Raymond AA, Mohamed Z. Lack of association between synapsin II (SYN2) gene polymorphism and susceptibility epilepsy: a case-control study and meta-analysis. Synapse. 2011 Oct;65(10):1073-9.

Haerian MS, Baum L, Haerian BS. Association of 8q24.21 loci with the risk of colorectal cancer: a systematic review and meta-analysis. J Gastroenterol Hepatol. 2011 Oct;26(10):1475-84.

Harrison F. Getting started with meta-analysis. Meth Ecol Evol. 2011 Jan;2(1):1–10.

He MA, Workalemahu T, Cornelis MC, Hu FB, Qi L. Genetic variants near the IRS1 gene, physical activity and type 2 diabetes in US men and women. Diabetologia. 2011 Jun;54(6):1579-82.

Hogan ME, vanderVaart S, Perampaladas K, Machado M, Einarson TR, Taddio A. Systematic review and meta-analysis of the effect of warming local anesthetics on injection pain. Ann Emerg Med. 2011 Jul;58(1):86-98.e1.

Kamath AF, Baldwin K, Meade LK, Powell AC, Mehta S. The increased financial burden of further proposed orthopaedic resident work-hour reductions. J Bone Joint Surg Am. 2011 Apr 6;93(7):e31.

Kampman O, Poutanen O. Can onset and recovery in depression be predicted by temperament? A systematic review and meta-analysis. J Affect Disord. 2011 Dec;135(1-3):20-7.

Kebir O, Gorsane MA, Blecha L, Krebs MO, Reynaud M, Benyamina A. Association of inflammation genes with alcohol dependence/abuse: a systematic review and a meta-analysis. Eur Addict Res. 2011;17(3):146-53.

Kim HY, Byun MJ, Kim H. A replication study of genome-wide CNV association for hepatic biomarkers identifies nine genes associated with liver function. BMB Rep. 2011 Sep;44(9):578-83.

Kim WO, Koo BN, Kim YK, Kil HK. Ramosetron for the prevention of postoperative nausea and vomiting (PONV): a meta-analysis. Korean J Anesthesiol. 2011 Nov;61(5):405-12.

Krishna M, Jauhari A, Lepping P, Turner J, Crossley D, Krishnamoorthy A. Is group psychotherapy effective in older adults with depression? A systematic review. Int J Geriatr Psychiatry. 2011 Apr;26(4):331-40.

Macfarlan SJ. The dual-role method and ultimatum game performance. Field Meth. 2011 Feb;23(1):102-14.

Marcos M, Pastor I, Chamorro AJ, Ciria-Abad S, Gonzalez-Sarmiento R, Laso FJ. Meta-analysis: glutathione-S-transferase allelic variants are associated with alcoholic liver disease. Aliment Pharmacol Ther. 2011 Nov;34(10):1159-72.

Meijer A, Conradi HJ, Bos EH, Thombs BD, van Melle JP, de Jonge P. Prognostic association of depression following myocardial infarction with mortality and cardiovascular events: a meta-analysis of 25 years of research. Gen Hosp Psychiatry. 2011 May-Jun;33(3):203-16.

Mickenautsch S, Yengopal V. Caries-preventive effect of glass ionomer and resin-based fissure sealants on permanent teeth: An update of systematic review evidence. BMC Res Notes. 2011 Jan 28;4:22.

Mickenautsch S, Yengopal V. Absence of carious lesions at margins of glass-ionomer cement and amalgam restorations: An update of systematic review evidence. BMC Res Notes. 2011 Mar 11;4:58.

Msaouel P, Koutsilieris M. Diagnostic value of circulating tumor cell detection in bladder and urothelial cancer: systematic review and meta-analysis. BMC Cancer. 2011 Aug 4;11:336.

Mukadam N, Sampson EL. A systematic review of the prevalence, associations and outcomes of dementia in older general hospital inpatients. Int Psychogeriatr. 2011 Apr;23(3):344-55.

Peters-Scheffer N, Didden R, Korzilius H, Sturmey P. A meta-analytic study on the effectiveness of comprehensive ABA-based early intervention programs for children with Autism Spectrum Disorders. Res Autism Spect Dis. 2011 Jan–Mar;5(1):60–9.

Preston E, Ada L, Dean CM, Stanton R, Waddington G. What is the probability of patients who are nonambulatory after stroke regaining independent walking? A systematic review. Int J Stroke. 2011 Dec;6(6):531-40.

Riancho JA, Olmos JM, Pineda B, Garcia-Ibarbia C, Perez-Nunez MI, Nan DN, Velasco J, Cano A, Garcia-Perez MA, Zarrabeitia MT, Gonzalez-Macias J. Wnt receptors, bone mass, and fractures: gene-wide association analysis of LRP5 and LRP6 polymorphisms with replication. Eur J Endocrinol. 2011 Jan;164(1):123-31.

Rubin G, Krasnyansky S, Gavish I, Elmalah I, Ben-Lulu O, Rozen N. Meta-analysis of unexpected findings in routine histopathology during total joint replacement. Isr Med Assoc J. 2011 Feb;13(2):80-3.

Salleh N, Mendes E, Grundy J. Empirical studies of pair programming for CS/SE teaching in higher education: a systematic literature review. IEEE Trans Soft Eng. 2011 Jul-Aug;37(4):509-25.

Stamps III AE. Effects of area, height, elongation, and color on perceived spaciousness. Environ Behav. 2011 Mar;43(2):252-73.

Stanton R, Ada L, Dean CM, Preston E. Biofeedback improves activities of the lower limb after stroke: a systematic review. J Physiother. 2011;57(3):145-55.

Trevisol DJ, Moreira LB, Kerkhoff A, Fuchs SC, Fuchs FD. Health-related quality of life and hypertension: a systematic review and meta-analysis of observational studies. J Hypertens. 2011 Feb;29(2):179-88.

Valero C, Zarrabeitia MT, Hernandez JL, Pineda B, Cano A, Garcia-Perez MA, Riancho JA. Relationship of sclerostin and secreted frizzled protein polymorphisms with bone mineral density: an association study with replication in postmenopausal women. Menopause. 2011 Jul;18(7):802-7.

Vavken P, Dorotka R. The prevalence and effect of publication bias in orthopaedic meta-analyses. J Orthop Sci. 2011 Mar;16(2):238-44.

Vodermaier A, Millman RD. Accuracy of the Hospital Anxiety and Depression Scale as a screening tool in cancer patients: a systematic review and meta-analysis. Support Care Cancer. 2011 Dec;19(12):1899-908.

Waldeck P, Hagen JI, Hanssen SA, Andersson M. Brood parasitism, female condition and clutch reduction in the common eider Somateria mollisima. J Avian Biol. 2011 May;42(3):231–8.

Ye J, Kiage JN, Arnett DK, Bartolucci AA, Kabagambe EK. Short-term effect of fenofibrate on C-reactive protein: A meta-analysis of randomized controlled trials. Diabetol Metab Syndr. 2011 Sep 22;3:24.

Zhao T, Zhao J, Lv J, Nzekebaloudou M. Meta-analysis on the effect of the Ala54Thr polymorphism of the fatty acid-binding protein 2 gene on body mass index. Nutr Metab Cardiovasc Dis. 2011 Oct;21(10):823-9.

2007 #

Bax L, Yu LM, Ikeda N, Moons KG. A systematic comparison of software dedicated to meta-analysis of causal studies. BMC Med Res Methodol. 2007 Sep 10;7:40.

Diamond GA, Bax L, Kaul S. Uncertain effects of rosiglitazone on the risk for myocardial infarction and cardiovascular death. Ann Intern Med. 2007 Oct 16;147(8):578-81.

2005 #

Bax L, Staes F, Verhagen A. Does neuromuscular electrical stimulation strengthen the quadriceps femoris? A systematic review of randomised controlled trials. Sports Med. 2005;35(3):191-212.