Authors: Afsaneh Alavi, MD, MSc; Jurg Hafner, MD; Jan P.Dutz,MD; Dieter Mayer, MD; R. Gary Sibbald, BSc, MD, MEd, FRCPC(Med Derm), MACP, FAAD, MAPWCA; Paulo Ricardo Criado, MD, PhD; Patricia Senet, MD; Jeffery P Callen, MD; Tania J Phillips, MD; Marco Romanelli, MD, PhD; Robert S Kirsner, MD, PhD