1. Department of Psychosomatic Medicine The University of Tokyo Hospital Tokyo Japan
2. Department of Psychology, Faculty of Human Development and Education Kobe Shinwa Women's University Kobe Hyogo Japan
3. School of Medical Sciences at Fukuoka International University of Health and Welfare Fukuoka Japan
4. Department of Psychiatry Kobe City Nishi‐Kobe Medical Center Kobe Hyogo Japan
5. Takamiya Psychiatry Clinic Akashi Hyogo Japan
6. Child Development and Psychosomatic Medicine Center Dokkyo Medical University Saitama Medical Center Saitama Japan
7. Department of Child and Adolescent Psychiatry, Kohnodai Hospital National Center for Global Health and Medicine Chiba Japan
8. Faculty of Medical Science Fukuoka International University of Health and Welfare Fukuoka Japan
9. Department of Stress Sciences and Psychosomatic Medicine, Graduate School of Medicine The University of Tokyo Tokyo Japan