SANUS. Volume 1, No. 1, January 2016, is a refereed biannual publication and is edited by the University of Sonora through the Division of Biological and Health Sciences and the Department of Nursing. Blvd. Luis Encinas and Blvd. Rosales s/n, Col. Centro, C.P. 83000, Hermosillo, Sonora, Mexico; Tel. (662) 2592165, ext. 4700. www.sanus.uson.mx, email: sanus.enfermeria@unison.mx Responsible Editor: MCE Maria Alejandra Favela Ocaño Reservations of Rights to Exclusive Use No. 04-2015-120212341200-203. ISSN: 2448-6094. Digital format, both granted by the National Copyright Institute. Responsible for the last update of this issue, the Computer Unit of the University of Sonora, date of last modification January 29, 2016. The opinions expressed by the authors do not necessarily reflect the position of the publication's editors. Total or partial reproduction of the contents and images of this publication is authorized as long as the source is fully cited.