Received: 3 December 2020
Accepted: 16 April 2021
First Online: 24 April 2021
: The authors declare that they have no competing interests.
: The study procedures were conducted in accordance with the Declaration of Helsinki and the Good Clinical Practice guidelines. This study was approved in advance by the Research Ethics Committee of Kobe University (approval number: 498–2). Written informed consent was obtained from all participants. All participants were notified about their participation in this study and it was explained to them that they could withdraw their participation at any time.
: Not Applicable.