1. Uvea Department, National Institute of Ophthalmology, “Dr. Francisco Contreras Campos”, Lima, Perú
2. Retina Department, Clínica Vista, Lima, Perú
3. Ophthalmology Residency in National Institute of Ophthalmology, “Dr. Francisco Contreras Campos”, Lima, Perú
4. “Hospital Nuestra Señora de la Luz” Foundation, Mexico City, Mexico