1. From the Perelman School of Medicine, University of Pennsylvania, and the Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia (V.P.W.); the Department of Dermatology, Rouen University Hospital and INSERM 1234, Normandie Université, Rouen (P.J.), and the Department of Dermatology, Groupe Hospitalier Paris Seine-Saint-Denis, Assistance Publique–Hôpitaux de Paris and INSERM Unité Mixte de Recherche 1125, Bobigny (F.C.) — all in France; the Sackler School of Medicine, Tel Aviv...