[1] Univ A Coruna, Fac Nursing & Podiatry, Dept Hlth Sci, Res Hlth & Podiatry Unit, Ferrol 15403, Spain
[2] Univ Rey Juan, Fac Hlth Sci, Carlos 28922, Spain
[3] Univ Leon, Nursing & Phys Therapy Dept, Inst Biomed IBIOMED, Ponferrada 24401, Spain
[4] European Univ Madrid, Fac Hlth Exercise & Sport, Res Grp, Villaviciosa De Odon 28670, Spain
[5] Univ Extremadura, Univ Ctr Plasencia, E-06071 Badajoz, Spain
[6] Univ Complutense Madrid, Sch Nursing Physiotherapy & Podiatry, E-28040 Madrid, Spain