Ms. Fjell, Dr. Friis, Dr. Melle, and Dr. Smeby are affiliated with Ullevål University Hospital, Oslo, Norway. The late Dr. Thorsen, Dr. Johannessen, Dr. Larsen, and Ms. Øxnevad are with Stavanger University Hospital, Stavanger, Norway. Dr. Friis, Dr. Larsen, and Dr. Melle are with the Institute of Psychiatry, University of Oslo. Ms. Lie is with Haugesund Hospital, Haugesund, Norway. Ms. Lyse and Dr. Simonsen are with Mid-Sector Roskilde Psychiatric University Hospital, Fjorden, Roskilde, Denmark. Dr. McFarlane is with Maine Medical Center, Portland. Dr. Vaglum is with the Department of Behavioral Sciences in Medicine, University of Oslo. Dr. McGlashan is with the Department of Psychiatry, Yale University, New Haven, Connecticut. Send at correspondence to Dr. Friis at the Division of Psychiatry, Ullevål University Hospital, N-0407 Oslo, Norway (e-mail: email@example.com). Lisa B. Dixon, M.D., M.P.H., served as guest editor for this column.