Received: 8 May 2021
Accepted: 26 July 2021
First Online: 9 August 2021
: All subjects gave their written informed consent to participate in this study. The study was performed according to the protocol approved by the Ethics Review Committee of Nagoya City University Graduate School of Medical Sciences and Nagoya City University Hospital (approved No. 60-18-0211).
: Not applicable.
: JH has received a collaborative research fund from ENDO Lighting Corporation. The other authors declare that they have no competing interests.