[1] IOC Med Commiss, Lausanne, Switzerland
[2] McMaster Univ, Hamilton, ON, Canada
[3] Univ So Denmark, Inst Sport Sci & Clin Biomech, Odense, Denmark
[4] Univ Exeter, Childrens Hlth & Exercise Res Ctr, Exeter, Devon, England
[5] Univ Loughborough, Sch Sport Exercise & Hlth Sci, Loughborough, Leics, England
[6] Univ Coll Dublin, Inst Sport & Hlth, Dublin 2, Ireland
[7] Univ Paderborn, Paderborn, Germany
[8] MRC, Epidemiol Unit, Cambridge, England
[9] Univ Orebro, Sch Hlth & Med Sci, Orebro, Sweden
[10] Norwegian Sch Sport Sci, Oslo Sports Trauma Res Ctr, Oslo, Norway
[11] Univ Worcester, Inst Sport & Exercise Sci, Worcester, England
[12] Griffith Univ, Brisbane, Qld 4111, Australia
[13] Mater Med Res Inst, Brisbane, Qld, Australia
[14] Univ Zurich, Inst Social & Prevent Med, Phys Act & Hlth Unit, CH-8006 Zurich, Switzerland
[15] Univ Basel, Swiss Trop & Publ Hlth Inst, Basel, Switzerland
[16] Univ Cape Town, UCT MRC Res Unit Exercise Sci & Sports Med, ZA-7925 Cape Town, South Africa
[17] Phys Fitness Res Lab, Sao Paulo, Brazil
[18] Univ British Columbia, Ctr Hip Hlth & Mobil, Vancouver, BC V5Z 1M9, Canada
[19] Univ British Columbia, Fac Med, Vancouver, BC, Canada
[20] Harvard Univ, Sch Med, Boston, MA USA
[21] Univ S Carolina, Arnold Sch Publ Hlth, Columbia, SC 29208 USA
[22] Univ Bath, Bath BA2 7AY, Avon, England
[23] Karolinska Inst, Dept Physiol & Pharmacol, Stockholm, Sweden
[24] Univ S Australia, Sansom Inst Hlth Res, HUT Grp, Adelaide, SA 5001, Australia
[25] UKCRC Ctr Excellence Diet & Act Res CEDAR, Cambridge, England
[26] Vrije Univ Amsterdam Med Ctr, Dept Occupat & Sports Med, Amsterdam, Netherlands
[27] Vrije Univ Amsterdam Med Ctr, EMGO Inst Hlth & Care Res, Amsterdam, Netherlands