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Article History

Received: 12 October 2018

Accepted: 6 December 2018

First Online: 18 December 2018

Ethics approval and consent to participate

: Research involving human participants. All procedures involving humans were performed in accordance with the ethical standards of our institutional and/or national research committee and those of the 1964 Helsinki declaration and later amendments thereof, or comparable ethical standards. The verbal informed consent was obtained and the study was disclosed the information on our web site. The study protocol (no. 3258-R) was approved by the Tokyo Women’s Medical University Hospital Institutional Review Board (TWMU, Tokyo, Japan).

: Not applicable.

: KT has received research funding from Sumitomo Dainippon Pharma Co., Ltd.; Astellas Pharma Inc.; Eisai Co., Ltd.; TAIHO Pharmaceutical Co., Ltd.; Chugai Pharmaceutical Co. Ltd.; Daiichi Sankyo Pharmaceutical Co. Ltd.; AbbVie GK; Takeda Pharmaceutical Company Limited; Asahi Kasei Corporation; AJINOMOTO Co. Inc.;. and Otsuka Pharmaceutical Co. Ltd.

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