1. Signature Healthcare Brockton Hospital; Transitional Year Residency Program; 680 Centre Street Brockton Massachusetts USA 02302
2. University of Insubria, Varese-Como; Department of Surgical and Morphological Sciences, Section of Ophthalmology; Via Guicciardini 9 Varese Italy 21100
3. University of Florence; Department of Translational Surgery and Medicine, Eye Clinic; Largo Brambilla, 3 Florence Italy 50134
4. Mass Eye and Ear Infirmary; Department of Ophthalmology, Retina Service; 1 Randall Square, Suite 203 Providence Rhode Island USA 02904