1. National Hospital Organization Kurihama Medical and Addiction Center Yokosuka Japan
2. Department of Neuropsychiatry Keio University School of Medicine Tokyo Japan
3. Multimodal Imaging Group, Research Imaging Centre Centre for Addiction and Mental Health Toronto Canada
4. Core Technology Laboratories Asahi Quality & Innovations, Ltd. Moriya Japan
5. Department of Psychiatry Hanyang University College of Medicine Seoul South Korea
6. Section on Human Psychopharmacology, Division of Intramural Clinical and Biological Research National Institute on Alcohol Abuse and Alcoholism Bethesda MD USA