[1] Ctr Expertise Chron Organ Failure, Dept Res & Educ, CIRO, Horn, Netherlands
[2] Hasselt Univ, BIOMED Biomed Res Inst, Fac Med & Life Sci, REVAL Rehabil Res Ctr, Diepenbeek, Belgium
[3] Univ Estadual Londrina, Dept Physiotherapy, Lab Res Resp Physiotherapy LFIP, Londrina, Brazil
[4] Univ Illinois, Dept Kinesiol & Community Hlth, Urbana, IL USA
[5] St Francis Hosp & Med Ctr, Dept Pulm Crit Care Med, Hartford, CT USA
[6] Providence VA Med Ctr, Pulm Crit Care Sect, Providence, RI USA