1. Icahn School of Medicine at Mount Sinai New York New York USA
2. Dermatology Service Memorial Sloan Kettering New York New York USA
3. Chelsea and Westminster Hospital London UK
4. Rutgers New Jersey Medical School Newark New Jersey USA
5. Dermatology Research Centre The University of Queensland Diamantina Institute Brisbane Queensland Australia
6. Division of Dermatology University of Arizona Skin College of Medicine Tucson Arizona USA