[1] Univ Autonoma Barcelona, Dept Nursing, Fac Med, Avda Can Domenech,Bldg M Off M3-211, E-08193 Barcelona, Spain
[2] Univ Privada Norbert Wiener, Fac Ciencias Salud, Jr Larrabure & Unanue 110 Urb, Lima, Peru
[3] AT Still Univ, Coll Grad Hlth Studies, Mesa, AZ USA
[4] Texas Womans Univ, Coll Nursing, 6700 Fannin St, Houston, TX 77030 USA
[5] Univ Maria Auxilladora, Ave Canto Bello 431 San Juan de Lurigancho, Lima, Peru
[6] Univ Privada Norte, Fac Ciencias Salud, Ave Tingo Maria 1122, Lima, Peru
[7] Texas Womans Univ, Houston Campus 6700 Fannin St, Houston, TX 77030 USA
[8] Univ La Laguna San Cristobal La Laguna, Canary Islands Fdn Hlth Res, Fac Med, Santa Cruz De Tenerife 38071, Spain
[9] Univ La Laguna San Cristobal La Laguna, Ctr Biomed Res Canary Islands, Fac Med, Santa Cruz De Tenerife, Spain