1. Geriatrics/Medical Director Casa de Reposo Luis Elizondo A.C. Guadalupe, Nuevo León, Mexico

2. Geriatrics Fellowship, Mexican Institute of Social Security, HGZ 4, Guadalupe, Nuevo León, Mexico

3. Headache and Chronic Pain Clinic, Department of Neurology, University Hospital “Dr. José Eleuterio González”, Autonomous University of Nuevo León, Nuevo León, Mexico

4. Counselor Asilo Luis Elizondo A.C./Medical Director Christus Muguerza Hospital Sur, Nuevo León, Mexico