[1] Autonomous Univ Madrid, Fac Med, Nursing Dept, Madrid, Spain
[2] Hlth Res Inst Puerta de Hierro Segovia de Arana ID, Nursing & Hlth Care Res Grp, Majadahonda, Spain
[3] Autonomous Univ Madrid, Fac Psychol, Social Psychol & Methodol Dept, Madrid, Spain
[4] Autonomous Univ Madrid, Hlth Care Res Unit, Inst Hlth Carlos III, Madrid, Spain
[5] Autonomous Univ Madrid, Fac Med, Nursing Dept, Madrid, Spain
[6] IiSGM, Gregorio Maranon Hlth Res Inst, Madrid, Spain