[1] Univ Valencia, Dept Physiotherapy, Physiotherapy Mot Multispecial Res Grp PTinMOT, Valencia, Spain
[2] Univ Chile, Fac Med, Dept Phys Therapy, Santiago, Chile
[3] Hosp Clin La Florida, Sect Clin Res, Santiago, Chile
[4] San Jose Hosp, Kinesiol Unit, Sect Res Innovat & Dev Kinesiol, Santiago, Chile
[5] Hosp Prov Cordillera, Serv Rehabil, Santiago, Chile
[6] Catholic Univ Maule, Dept Phys Therapy, Talca, Chile
[7] Natl Res Ctr Working Environm, Copenhagen, Denmark
[8] Univ Valencia, Dept Physiotherapy, Exercise Intervent Hlth Res Grp EXINH RG, Valencia, Spain
[9] Univ Valencia, Dept Physiotherapy, C Gasco Oliag 5 PC, Valencia 46010, Spain