1. Albert Einstein College of Medicine, Bronx, NY, USA; Medintel On-Call, Pleasantville, NY, USA
2. Pfizer Ophthalmics, New York, NY, USA
3. HealthCore, Inc., Wilmington, DE, USA
4. Mount Sinai School of Medicine, New York, NY, USA; Pfizer Ophthalmics, New York, NY, USA