1. Department of Nephrology Centenario Hospital Miguel Hidalgo Aguascalientes Mexico
2. Department of Internal Medicine Centenario Hospital Miguel Hidalgo Aguascalientes Mexico
3. Tecnologico de Monterrey Escuela de Medicina y Ciencias de la Salud Monterrey Mexico
4. Department of Transplantation Centenario Hospital Miguel Hidalgo Aguascalientes Mexico
5. Department of Histocompatibility Laboratorios Clínicos del Campestre Aguascalientes Mexico
6. Health Science Center Autonomous University of Aguascalientes Aguascalientes Mexico