Iwata, Eiji
Hasegawa, Takumi
Kobayashi, Masaki
Tachibana, Akira
Takata, Naoki
Oko, Toshiya
Takeda, Daisuke
Ishida, Yoshiki
Fujita, Tsuyoshi
Goto, Ikuko
Takeuchi, Junichiro
Akashi, Masaya
Article History
Received: 4 May 2020
Accepted: 29 June 2020
First Online: 11 July 2020
Compliance with ethical standards
: Informed consent was obtained from all individual participants included in the study. For patients aged <18 years, informed consent was sought from their parent/guardian. This retrospective study has been conducted in full accordance with the World Medical Association Declaration of Helsinki and was approved by the institutional review board of Kobe University Hospital (authorization number: 170020).