Shimizu, Hiroki
Yamaguchi, Shigeki http://orcid.org/0000-0003-3850-2818
Ishii, Toshimasa
Kondo, Hiroka
Hara, Kiyoka
Takemoto, Kenichi
Ishikawa, Shintaro
Okada, Takuhisa
Suzuki, Asami
Koyama, Isamu
Article History
Received: 13 February 2019
Accepted: 15 May 2019
First Online: 20 May 2019
Compliance with ethical standards
:
: Shigeki Yamaguchi had fees for lectures from Covidien, Johnson & Johnson, and Olympus. Hiroki Shimizu, Toshimasa Ishii, Hiroka Kondo, Kiyoka Hara, Kenichi Takemoto, Shintaro Ishikawa, Takuhisa Okada, Asami Suzuki, and Isamu Koyama have no conflicts of interest or financial ties to disclose.