1. Dr. Phillip Frost Department of Dermatology & Cutaneous Surgery and Miami Itch Center, University of Miami Miller School of Medicine , Miami, FL , USA
2. Warren Alpert Medical School, Brown University , Providence, RI , USA
3. Memorial University of Newfoundland Faculty of Medicine , St. Johns, Newfoundland , Canada
4. University of Florida, College of Medicine , Gainesville, FL , USA