Text and Data Mining valid from 2020-01-20
Received: 15 June 2019
Accepted: 10 December 2019
First Online: 20 January 2020
Ethics approval and consent to participate
: Written informed consent was obtained from each participant. The study was approved by the ethics committee of Murakami Memorial Hospital.
: Not applicable.
: None. Potential conflict of interest was follows; Y.H. received grants from the Japan Society for the Promotion of Science, and Asahi Kasei Pharma outside the submitted work. M.F. received grants from the Japan Society for the Promotion of Science, AstraZeneca Plc, Astellas Pharma Inc., Nippon Boehringer Ingelheim Co., Ltd., Daiichi Sankyo Co., Ltd., Eli Lilly Japan K.K., Kyowa Hakko Kirin Company, Ltd., Kissei Pharmaceutical Co., Ltd., MSD K.K., Mitsubishi Tanabe Pharma Corporation, Novo Nordisk Pharma, Ltd., Sanwa Kagaku Kenkyusho Co., Ltd., Sanofi K.K., Ono Pharmaceutical Co., Ltd., and Takeda Pharmaceutical Co., Ltd., outside the submitted work. The sponsors were not involved in the study design; in the collection, analysis, or interpretation of data; in the writing of this manuscript; or in the decision to submit the article for publication. The authors, their immediate families, and any research foundations with which they are affiliated have not received any financial payments or other benefits from any commercial entity related to the subject of this article. The above authors declare that although they are affiliated with a department that is supported financially by a pharmaceutical company, they have received no funding for this study, and their affiliation does not alter their adherence to all the journal policies on sharing data and materials. The other authors have nothing to disclose.