[1
]
Department of Clinical Psychology, Graduate School of Niigata Seiryo University, Japan.
Electronic address: muramatu@n-seiryo.ac.jp.
[2
]
Department of Psychiatry, Kitasato University School of Medicine, Japan.
[3
]
Department of Medicine, Showa University School of Medicine, Japan.
[4
]
School of Health Science, Niigata University, Japan.
[5
]
Niigata University Graduate School of Medicine and Dental Sciences, Japan.
[6
]
Katsuyama Medical Clinic, Japan.
[7
]
Division of Rheumatology, Department of Medicine, Showa University School of Medicine,
Japan.
[8
]
Koide City Hospital, Japan.
[9
]
Niigata Prefectural Tokamachi Hospital, Japan.
[10
]
Niigata Bandai Hospital, Japan.
[11
]
Department of Respiratory Medicine and Infectious Diseases, Niigata University Graduate
School of Medical and Dental Sciences, Japan.
[12
]
Research Center for Overwork-Related Disorders, National Institute of Occupational
Safety and Health, Japan Organization of Occupational Health and Safety, Japan.
[13
]
Department of Cognitive Behavioral Physiology, Graduate School of Medicine, Chiba
University, Japan.