1. Department of Ophthalmology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
2. Division of Orbital and Ophthalmic Plastic Surgery, Jules Stein Eye Institute, University of California, Los Angeles, California, USA
3. Ophthalmology, Hospital Universitario Ramón Y Cajal, IRYCIS, Madrid, Spain
4. Ophthalmology, Ophthalmology-Oculoplastic, Río Hortega University Hospital, Valladolid, Spain