[1] Univ Valencia, Dept Physiotherapy, Physiotherapy Mot, Multispecial Res Grp PTinMOT, Valencia 46010, Spain
[2] Hosp Univ Politecn Fe, Serv Cardiol, Unidad Insuficiencia Cardiaca & Trasplante, Valencia 46026, Spain
[3] Michigan State Univ, Coll Nursing, E Lansing, MI 48824 USA
[4] Univ Valencia, Dept Med, Valencia 46010, Spain
[5] Inst Salud Carlos III, Ctr Invest Biomed Red Enfermedades Cardiovasc CIBE, Madrid 28029, Spain
[6] Michigan State Univ, Dept Stat & Probabil, E Lansing, MI 48824 USA
[7] Linkoping Univ, Dept Hlth, Med & Caring Sci, S-58183 Linkoping, Sweden