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Article History

Received: 25 May 2017

Accepted: 18 July 2017

First Online: 5 September 2017

Compliance with Ethical Standards

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: This study was approved by the IRB of Hokkaido P.W.F.A.C. Kutchan-Kosei General Hospital, which the first author belonged to in March 2015. All participants were informed that we would discard all the private information except for that which pertains to this research and the data would be collectively bound to an anonymous number in advance. Eventually all of them agreed with this research.

: All the authors state that there is no direct conflict of interest, although there are some grants, honoraria and positions outside the submitted work as detailed below:Dr. Horinouchi reports grants from The Naito Foundation, lecture fees from Otsuka, and travel fees from Japan Society of Psychiatry and Neurology. Dr. Nishida has received grant/research support from Mitsubishi Tanabe pharma and has been on the speakers of Sumitomo-Dainippon Pharma, Otsuka, Eisai and Meiji Seika Pharma. Dr. Aoki has received speaker’s honoraria from Daiichi-Sankyo Company, Eli Lilly, Meiji Seika Pharma, and Otsuka. Dr. Nakamura reports grants from Kakenhi Wakate B: grant no. 16 K19772. Dr. Tanaka reports grants from Suntory Global Innovation Co. Dr. Takeda has the current position of director of World Psychiatry Association (WPA). Dr. Bhugra has the current position of president of WPA. Dr. Sartorius has the previous position of president of WPA. Dr. Nakagami, Dr. Suzuki, and Dr. Kuga have nothing to disclose, including indirect conflict of interest.

: None