Funding for this research was provided by:
Japan Society for the Promotion of Science (17K11454)
Text and Data Mining valid from 2019-05-22
Received: 14 March 2019
Revised: 6 May 2019
Accepted: 14 May 2019
First Online: 22 May 2019
Compliance with ethical standards
: Author T.I. has received research grants from Bayer Yakuhin, Ltd., and Santen Pharmaceutical Co., Ltd. Author K.S. has received research grants from Santen Pharmaceutical Co., Ltd.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all the participants included in the study.