[1] Univ Sfax, Fac Med, Sfax, Tunisia
[2] Hedi Chaker Univ Hosp, Dept Resp Med, Sfax, Tunisia
[3] McMaster Univ, Dept Hlth Res Methods Evidence & Impact, Hamilton, ON, Canada
[4] Univ Hull, Hull York Med Sch, Kingston Upon Hull, N Humberside, England
[5] Univ Hosp Leuven, Fac Movement & Rehabil Sci, Dept Rehabil Sci, Leuven, Belgium
[6] Univ Sfax, Ctr Biotechnol Sfax, Sfax, Tunisia