Sections View Full Chapter Figures Tables Videos Annotate Full Chapter Figures Tables Videos Supplementary Content + Download Section PDF ++ Antonella Tosti, MD ++ Professor Department of Dermatology & Cutaneous Surgery ++ University of Miami ++ Miami, Florida ++ Chapter 6 ++ ++ Aaron Mangold, MD ++ Mayo Clinic ++ Phoenix, Arizona ++ Chapter 7 ++ ++ David L. Swanson, MD ++ Associate Professor ++ Vice Chair of Medical Dermatology ++ Mayo Clinic ++ Phoenix, Arizona ++ Chapter 7