Okubo, Tomomi
Atsukawa, Masanori
Tsubota, Akihito
Toyoda, Hidenori
Shimada, Noritomo
Abe, Hiroshi
Kato, Keizo
Hayama, Korenobu
Arai, Taeang
Nakagawa-Iwashita, Ai
Itokawa, Norio
Kondo, Chisa
Kawamoto, Chiaki
Iio, Etsuko
Tanaka, Yasuhito
Kumada, Takashi
Iwakiri, Katsuhiko
Article History
Received: 27 November 2017
Accepted: 15 March 2018
First Online: 29 March 2018
Compliance with ethical standards
: All authors are in compliance with ethical standards for this study.
: Tomomi Okubo, Masanori Atsukawa, Akihito Tsubota, Hidenori Toyoda, Noritomo Shimada, Hiroshi Abe, Keizo Kato, Korenobu Hayama, Taeang Arai, Ai Nakagawa-Iwashita, Norio Itokawa, Chisa Kondo, Chiaki Kawamoto, Etsuko Iio, Yasuhito Tanaka, Takashi Kumada, and Katsuhiko Iwakiri have no conflicts of interest to disclose.
: This study was designed according to the ethical guidelines of the Helsinki Declaration in 2013.