Moriyama , Yuki
Ishikane, Masahiro
Kusama, Yoshiki
Matsunaga, Nobuaki
Tajima, Taichi
Hayakawa, Kayoko
Ohmagari, Norio
Article History
Received: 28 January 2021
Accepted: 30 March 2021
First Online: 16 April 2021
Declarations
:
: The study protocol was approved by the Institutional Review Board at the National Center for Global Health and Medicine (NCGM-G-002473-00) and carried out according to the principles outlined in the Declaration of Helsinki. All participants consented to participate in our study.
: Not applicable.
: The authors declare that they have no competing interests.