Funding for this research was provided by:
Takeda Pharmaceutical Company
Text and Data Mining valid from 2019-11-02
Received: 25 August 2019
Accepted: 27 October 2019
First Online: 2 November 2019
Compliance with ethical standards
: All procedures followed were in accordance with the approval of the Ethics Committee of Nippon Medical School Hospital and the guidelines set forth in the Declaration of Helsinki revised in 2000. Informed consent was obtained from all subjects included in the study.
: Katsuhiko Iwakiri has received lecture fees from Takeda Pharmaceutical Co., Ltd. and Otsuka Pharmaceutical Co., Ltd.. The remaining authors declare that they have no conflicts of interest.