Text and Data Mining valid from 2018-12-04
Received: 19 November 2018
Accepted: 26 November 2018
First Online: 4 December 2018
Compliance with ethical standards
: Toshifumi Wakai received remuneration from Denka Company Limited and received research funding from Denka Company Limited, Eisai Co., Ltd.; Taisho Toyama Pharmaceutical Co., Ltd.; Taiho Pharmaceutical Co., Ltd.; Sumitomo Dainippon Pharma Co., Ltd.; Takeda Pharmaceutical Co., Ltd.; Chugai Pharmaceutical Co., Ltd.; Eli Lilly Japan K.K.; and Yakult Honsha Co., Ltd. Pankaj Prasoon, Yuki Hirose, Yoshifumi Shimada, Hiroshi Ichikawa, and Masayuki Nagahashi have no conflict of interest to disclose.