1. Department of Neuropsychiatry, School of Medicine, Fukushima Medical University, Fukushima,
2. Shirakawa Kosei General Hospital, Shirakawa,
3. Maikohama Hospital, Iwaki,
4. Prefectural Aizu General Hospital, Aizuwakamatsu,
5. Fukushima Red Cross Hospital, Fukushima,
6. Horikoshi Psychosomatic Clinic, Fukushima,,
7. Nanko Hospital, Shirakawa, Japan