[1] Amsterdam Univ Appl Sci, Fac Hlth, ACHIEVE Ctr Appl Res, Amsterdam, Netherlands
[2] Amsterdam Univ Appl Sci, European Sch Physiotherapy, Amsterdam, Netherlands
[3] McMaster Univ, Sch Rehabil Sci, Hamilton, ON, Canada
[4] Guys & St Thomas NHS Fdn Trust, London, England
[5] Kings Coll London, Lane Fox Clin Resp Physiol Res Unit, London, England
[6] Univ Hosp Birmingham NHS Fdn Trust, Queen Elizabeth Hosp Birmingham, Therapy Serv, Birmingham, W Midlands, England
[7] Univ Melbourne, Dept Physiotherapy, Melbourne, Vic, Australia
[8] Univ Stellenbosch, Physiotherapy Div, Dept Interdisciplinary Hlth Sci, Fac Med & Hlth Sci, Cape Town, South Africa
[9] Univ Notre Dame Australia, Sch Physiotherapy, Fremantle, WA, Australia
[10] KU Leuven Univ Leuven, Dept Rehabil Sci, Leuven, Belgium
[11] Univ Liverpool, Musculoskeletal Biol, Inst Ageing & Chron Dis, Liverpool, Merseyside, England
[12] Univ Amsterdam, Acad Med Ctr, Dept Rehabil Med, POB 226601100DD, Amsterdam, Netherlands
[13] Johns Hopkins Univ, Outcomes Crit Illness & Surg Grp, Baltimore, MD USA
[14] Johns Hopkins Univ, Sch Med, Div Pulm & Crit Care Med, Baltimore, MD USA
[15] Johns Hopkins Univ, Sch Med Baltimore, Dept Phys Med & Rehabil, Baltimore, MD USA