1 Department of Psychiatry, Tokyo Women's Medical University, Tokyo, Japan; Department of Clinical Laboratory, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan. Electronic address: matsui.kentaro@twmu.ac.jp.
2 Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan.
3 Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan; Department of Psychiatry, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan.
4 Department of Clinical Laboratory, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan.
5 Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan; Department of Public Mental Health, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan.
6 Department of Psychiatry, School of Medicine, Kitasato University, Kanagawa, Japan.
7 Department of Psychiatry, Tokyo Women's Medical University, Tokyo, Japan.