Acknowledgements
Thank you to the patients and staff of the clinics that contributed to this study. Funding for this study was obtained from the Swedish Society of Medicine, the Söderström–Königska Foundation, the Stockholm Center for Psychiatric Research and Education, the Swedish Research Council (350-2012-303), the Brain Foundation (PS2012-0073), and the Sweden American Association. None of these organizations had any involvement in the collection, analysis, or interpretation of the data; in the writing of the report; or in the decision to submit the paper for publication. All of the authors declare that they have no conflicts of interest.