1 Department of Neuropsychiatry Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan. Electronic address: tmiura@npsych.med.kyushu-u.ac.jp.
2 Kyoto University Graduate School of Medicine and School of Public Health, Kyoto, Japan.
3 University of Oxford, Oxford, UK; University of Verona, Verona, Italy.
4 Department of Neuropsychiatry Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan.
5 Kyoto University School of Public Health, Kyoto, Japan.
6 Technische Universität München, Munich, Germany.
7 University of Ioannina School of Medicine, Ioannina, Greece.
8 Institute of Statistical Mathematics, Tokyo, Japan.