Philip R Cohen1,2,3, E Victor Ross4. 1. San Diego Family Dermatology, National City, CA, USA. mitehead@gmail.com. 2. Touro University California College of Osteopathic Medicine, Vallejo, CA, USA. mitehead@gmail.com. 3. University of California Davis, Sacramento, CA, USA. mitehead@gmail.com. 4. Division of Dermatology, Scripps Clinic, San Diego, CA, USA.