1. School of Medicine, Universidad de los Andes, Bogotá DC, Colombia
2. Departament of Neuromodulation, NEMOD Research Group, Bucaramanga, Colombia
3. Department of Neurosurgery, Fundación Oftalmológica de Santander FOSCAL, Floridablanca, Colombia
4. School of Medicine, Department of Ophthalmology, Universidad Autonoma de Bucaramanga (UNAB), Bucaramanga, Colombia
5. Department of Neuro-Ophthalmology, Centro Oftalmológico Virgilio Galvis, Floridablanca, Colombia
6. Department of Ophthalmology, Fundación Oftalmológica de Santander FOSCAL, Floridablanca, Colombia
7. School of Medicine, Department of Ophthalmology, Universidad Industrial de Santander (UIS), Bucaramanga, Colombia
8. Department of Epidemiology, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá DC, Colombia