1. Dr. Philip Frost Department for Dermatology and Cutaneous Surgery University of Miami Miami Florida 33136 U.S.A.
2. Departments of Psychiatry and Neurology Columbia University Irving Medical Center 622 W 168th Street, PH1540N New York 10032 U.S.A.
3. Charles Institute of Dermatology, University College Dublin Dublin 4 Ireland
4. Monasterium Laboratory Skin & Hair Research Solutions GmbH Münster D‐48149 Germany
5. Centre for Dermatology Research NIHR Manchester Biomedical Research Centre University of Manchester Manchester M13 9PT U.K.