Murayama, Michito
Okada, Kazunori
Kaga, Sanae
Iwano, Hiroyuki
Tsujinaga, Shingo
Sarashina, Miwa
Nakabachi, Masahiro
Yokoyama, Shinobu
Nishino, Hisao
Nishida, Mutsumi
Shibuya, Hitoshi
Masauzi, Nobuo
Anzai, Toshihisa
Mikami, Taisei
Article History
Received: 15 January 2019
Accepted: 27 May 2019
First Online: 5 June 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Instead of obtaining informed consent, the program of the present study had been open to the public both through the home page and on the bulletin board of Hokkaido University Hospital.