Tsuda, Kennosuke
Shibasaki, Jun
Isayama, Tetsuya
Takeuchi, Akihito
Mukai, Takeo
Ioroi, Tomoaki
Takahashi, Akihito
Sano, Hiroyuki
Yutaka, Nanae
Iwata, Sachiko
Nabetani, Makoto
Sobajima, Hisanori
Hosono, Shigeharu
Tamura, Masanori
Iwata, Osuke
,
Article History
Received: 3 November 2020
Revised: 13 March 2021
Accepted: 16 March 2021
First Online: 12 April 2021
Competing interests
: The authors declare no competing interests.
: The ethics committees approved that parental consent was not needed for the registry, since no patient identifier was collected.