Shimizu, Shosei
Okumura, Toshiyuki
Oshiro, Yoshiko
Fukumitsu, Nobuyoshi
Fukuda, Kuniaki
Ishige, Kazunori
Hasegawa, Naoyuki
Numajiri, Haruko
Murofushi, Keiko
Ohnishi, Kayoko
Mizumoto, Masashi
Nonaka, Tetsuo
Ishikawa, Hitoshi
Sakurai, Hideyuki
Article History
Received: 18 September 2019
Accepted: 19 December 2019
First Online: 27 December 2019
Ethics approval and consent to participate
: All study participants provided informed consent, and we obtained general consent to the research in written form from the participant.This study was conducted in accordance with the ethical standards defined in the Declaration of Helsinki and was approved by the ethics committee of the University of Tsukuba.(T-CReDO, H30–188).
: We obtained consent for publication in written form from the participant.
: We have no competing interests.