1. Division of Dermatology, Upstate Medical University, Syracuse, New York
2. Department of Dermatology, Broward Health Medical Center, Fort Lauderdale, Florida
3. Department of Dermatology, University of Michigan, Ann Arbor
4. Department of Dermatology, University of Utah, Salt Lake City
5. Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia