1. Department of Psychosomatic Research National Institute of Mental Health National Center of Neurology and Psychiatry Kodaira Tokyo Japan
2. Department of Psychosomatic Medicine Kohnodai Hospital National Center for Global Health and Medicine Ichikawa Chiba Japan
3. Division of Psychosomatic Medicine Department of Neurology University of Occupational and Environmental Health Kitakyushu Fukuoka Japan
4. Department of Psychosomatic Medicine Yahata Kosei Hospital Kitakyushu Fukuoka Japan
5. Department of Psychosomatic Medicine Graduate School of Medical Sciences Kyushu University Fukuoka Fukuoka Japan
6. Takei Medical Clinic Kagoshima Kagoshima Japan
7. Department of Psychosomatic Medicine Saitama Social Insurance Hospital Saitama Saitama Japan
8. Department of Psychosomatic Medicine Kamibayashi Memorial Hospital Ichinomiya Aichi Japan
9. Health Services Center National Graduate Institute for Policy Studies Minato‐ku Tokyo Japan
10. Department of Psychosomatic Medicine Nogami Hospital Kagoshima Kagoshima Japan
11. Department of Psychosomatic Medicine Family Hospital Satsuma Satsumasendai Kagoshima Japan
12. Division of General Medicine Aichi Medical University Hospital Nagakute Aichi Japan
13. Setoguchi Psychosomatic Clinic Seto Aichi Japan
14. Department of Neuropsychiatry Osaka City University Graduate School of Medicine Osaka Osaka Japan
15. Mental Health Clinic of Dr. Nagata at Nanba Osaka Osaka Japan
16. Department of Internal Medicine Yufuin Koseinenkin Hospital Yufuin Oita Japan
17. Health Service Center Hiroshima University Higashihiroshima Hiroshima Japan
18. Graduate School of Welfare Society The International University of Kagoshima Kagoshima Kagoshima Japan
19. Nishihara Hoyouin Kaya Kagoshima Japan
20. Hamadera Hospital Takaishi Osaka Japan
21. Department of Nutrition School of Home Economics and Science Tokyo Kasei University Itabashi‐ku Tokyo Japan
22. School of Health Sciences at Fukuoka International University of Health and Welfare Ohkawa Japan