Sasaoka, Masaaki
Ota, Takashi
Kageyama, Masaaki
Article History
Received: 24 September 2019
Accepted: 31 December 2019
First Online: 22 January 2020
Competing interests
: All the authors are employees of Santen Pharmaceutical Co., Ltd. The company provided support in the form of salaries for all of the authors, however, it had no roles in the conceptualization, design, data collection, analysis, decision to publish, or preparation of the manuscript. The authors also declare no non-financial competing interests.