[1] Emergency Med Serv SACYL, Adv Life Support, Valladolid 47003, Spain
[2] Univ Valladolid, Fac Nursing, Valladolid 47003, Spain
[3] Univ Castilla La Mancha, Fac Hlth Sci, Talavera De La Reina 45600, Toledo, Spain
[4] Univ Castilla La Mancha, Fac Hlth Sci, Technol Innovat Appl Hlth Res Grp ITAS Grp, Talavera De La Reina 45600, Toledo, Spain
[5] Inst Invest Sanitaria Castilla La Mancha IDISCAM, Evaluac Cuidados Salud ECUSAL, Toledo 45071, Spain
[6] Univ Valladolid, Fac Med, Edificio Ciencias Salud,Avda Ramon y Cajal 7, 47005 Valladolid, Spain
[7] Univ Castilla La Mancha, Fac Nursing, Albacete 02071, Spain
[8] Univ Castilla La Mancha, Grp Prevent Act Univ Hlth Sci Setting, Albacete 02071, Spain
[9] Hosp Clin Univ, Emergency Dept, Valladolid 47003, Spain