Received: 4 January 2021
Accepted: 24 February 2021
First Online: 17 March 2021
: The protocol of this study was approved by the Ethics Committee of the Kyoto Prefectural University of Medicine, and written informed consent was obtained from all patients before the procedures were performed. This study was conducted in accordance with the ethical principles associated with the Declaration of Helsinki and registered in the University Hospital Medical Network Clinical Trials Registry [UMIN000017990] (clinical trial registration date: 20/06/2015).
: Not applicable.
: YN received scholarship funds from EA Pharma. Co. Ltd.; a collaboration research fund from Taiyo Kagaku Co., Ltd.; and received lecture fees by Mylan EPD Co., Takeda Pharma. Co. Ltd., Mochida Pharma. Co. Ltd., EA Pharma. Co. Ltd., Otsuka Pharma. Co. Ltd., and Miyarisan Pharma. Co. Ltd. The present research was partly supported by these funds. Neither the funding agency nor any outside organization has participated in the study design or have any competing interests. These companies have approved the final version of the manuscript.