1. Medical Research Division. UMAE Hospital de Pediatria Centro Médico Nacional de Occidente IMSS Guadalajara México
2. Pediatric Hematology Department. UMAE Hospital de Pediatria Centro Médico Nacional de Occidente IMSS Guadalajara México
3. Dermatology Department. Instituto Dermatologico de Jalisco Secretaria de Salud Jalisco Zapopan México