[1] Autonomous Univ Madrid, Doctoral Sch, Med & Surg Program, Madrid, Spain
[2] Autonomous Univ Madrid, Fac Med, Nursing Dept, Madrid, Spain
[3] Puerta De Hierro Segovia Arana Hlth Res Inst, Nursing & Hlth Care Res Grp, Madrid, Spain
[4] Carlos III Hlth Inst ISCIII, Hlth Care & Hlth Serv Res Unit Investen ISCIII, Madrid, Spain
[5] La Paz Univ Hosp, Nursing Dept, Pediat Unit, Madrid, Spain
[6] Univ Navarra, Sch Educ & Psychol, Psychol Proc Educ & Hlth Grp, Pamplona, Spain
[7] Navarra Inst Hlth Res IdiSNA, Pamplona, Spain
[8] Univ Copenhagen, Dept Psychol, Copenhagen, Denmark