Nomoto, Hidetoshi
Saito, Hiroki
Ishikane, Masahiro
Gu, Yoshiaki
Ohmagari, Norio
Pittet, Didier
Kunishima, Hiroyuki
Allegranzi, Benedetta
Yoshida, Masaki
Article History
Received: 26 March 2022
Accepted: 26 October 2022
First Online: 9 November 2022
Declarations
:
: According to the Ministry of Education, Culture, Sports, Science and Technology, MHLW, Japan, ethical review and informed consent were not required at the National Center for Global Health and Medicine because no individual level data were used, and no data could be linked to any individual.
: Not applicable.
: The authors declare that they have no competing interests.