Yamamoto, Ryohei http://orcid.org/0000-0003-2610-9824
Imai, Enyu
Maruyama, Shoichi
Yokoyama, Hitoshi
Sugiyama, Hitoshi
Nitta, Kosaku
Tsukamoto, Tatsuo
Uchida, Shunya
Takeda, Asami
Sato, Toshinobu
Wada, Takashi
Hayashi, Hiroki
Akai, Yasuhiro
Fukunaga, Megumu
Tsuruya, Kazuhiko
Masutani, Kosuke
Konta, Tsuneo
Shoji, Tatsuya
Hiramatsu, Takeyuki
Goto, Shunsuke
Tamai, Hirofumi
Nishio, Saori
Shirasaki, Arimasa
Nagai, Kojiro
Yamagata, Kunihiro
Hasegawa, Hajime
Yasuda, Hideo
Ichida, Shizunori
Naruse, Tomohiko
Nishino, Tomoya
Sobajima, Hiroshi
Tanaka, Satoshi
Akahori, Toshiyuki
Ito, Takafumi
Terada, Yoshio
Katafuchi, Ritsuko
Fujimoto, Shouichi
Okada, Hirokazu
Ishimura, Eiji
Kazama, Junichiro J.
Hiromura, Keiju
Mimura, Tetsushi
Suzuki, Satoshi
Saka, Yosuke
Sofue, Tadashi
Suzuki, Yusuke
Shibagaki, Yugo
Kitagawa, Kiyoki
Morozumi, Kunio
Fujita, Yoshiro
Mizutani, Makoto
Shigematsu, Takashi
Kashihara, Naoki
Sato, Hiroshi
Matsuo, Seiichi
Narita, Ichiei
Isaka, Yoshitaka
Funding for this research was provided by:
Ministry of Health, Labour and Welfare
Article History
Received: 24 December 2019
Accepted: 18 February 2020
First Online: 7 March 2020
Compliance with ethical standards
:
: The authors have declared that no conflict of interest exists.
: All procedures performed in JNSCS involving human participants were in accordance with the ethical standards of the institutional research committee at which the studies were conducted (IRB approval number 17035-4 at the ethics committee of Osaka University Hospital) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from participants in 54 hospitals and a single hospital used an opt-out approach to informed consent, according to Japanese Ethical Guidelines for Medical and Health Research Involving Human Subjects.