1. School of Nursing, Autonomous University of Nuevo León , Ave. Gonzalitos No. 1500 Nte, Col. Mitras Centro, Monterrey, Nuevo León ZP 64460, Mexico
2. College for Health, Community & Policy, University of Texas at San Antonio , One UTSA Circle, San Antonio, TX 78249, USA
3. Multidisciplinary Unit, Autonomous University of Tamaulipas , Ave. Maestro and Marte S/N. Col. City Alianza, H. Matamoros, Tamaulipas ZP 87410, Mexico
4. Health Sciences Department, Autonomous University of Zacatecas , Carretera Zacatecas-Guadalajara Km. 6, Ejido La Escondida, Zacatecas ZP 98160, Mexico