1. New York Medical College Valhalla New York USA
2. Dermatology Department NYC Health + Hospital/Metropolitan New York New York USA
3. Dermatology Department NYC Health + Hospital/South Brooklyn Brooklyn New York USA
4. Internal Medicine Department NYC Health + Hospitals/Metropolitan New York New York USA
5. Dermatology Department Memorial Sloan Kettering Cancer Center New York New York USA
6. Dermatology Department Rutgers University, Robert Wood Johnson Medical Center New Brunswick New Jersey USA
7. Department of Dermatology and Allergy University Hospital, LMU Munich Munich Germany
8. Dermatology Department Weil Cornell Medicine New York New York USA