[1] Univ Western Australia, Sch Sports Sci Exercise & Hlth, Fac Life Sci, Crawley, WA, Australia
[2] Univ Trondheim Hosp, Dept Lung Med, St Olays Hosp, Trondheim, Norway
[3] Norwegian Univ Sci & Technol, Dept Circulat & Imaging, Trondheim, Norway
[4] Royal Prince Alfred Hosp, Dept Resp & Sleep Med, Camperdown, NSW 2050, Australia
[5] Univ Laval, Hop Laval, Inst Cardiol & Pneumol, Quebec City, PQ G1K 7P4, Canada
[6] Univ Otago, Dunedin Sch Med, Dept Prevent & Social Med, Christchurch, New Zealand
[7] Waikato Hosp, Dept Resp Med, Hamilton, New Zealand
[8] Univ British Columbia, Div Sports Med, Vancouver, BC V5Z 1M9, Canada
[9] Univ British Columbia, Sch Human Kinet, Vancouver, BC V5Z 1M9, Canada
[10] Bispebjerg Hosp, Dept Resp Med L, Copenhagen, Denmark
[11] Marywood Univ, Human Physiol Lab, Scranton, PA USA
[12] Int Assoc Athlet Federat, Monaco, Monaco
[13] Univ Aberdeen, Sch Med Sci, Aberdeen AB9 1FX, Scotland
[14] Blackrock Clin, Dublin, Ireland
[15] World Antidoping Agcy, Lausanne, Switzerland
[16] Int Olymp Comm, Lausanne, Switzerland