Edited by Anthony Bewley, MB, ChB, FRCP, Department of Dermatology, The Royal London Hospital & Whipps Cross University Hospital (Barts Health NHS Trust), London, UKRuth Taylor, MB ChB, MRCPsych, PhD, Department of Psychiatry, Barts and the London School of Medicine and Dentistry, London, UKJason S Reichenberg, MD, Department of Dermatology, University of Texas Southwestern, Austin, TX, USAMichelle Majid, MD, Department of Psychiatry, University of Southwestern, Austin, TX, USA