Nakano, Mariko M.
Yamamoto, Akira
Nishida, Norifumi
Hamuro, Masao
Hamamoto, Shinichi
Jogo, Atsushi
Sohgawa, Etsuji
Kageyama, Ken
Minami, Tetsuya
Miki, Yukio
Article History
Received: 2 November 2018
Accepted: 18 April 2019
First Online: 4 May 2019
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there is 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. For this type of study, formal consent is not required.
: This is a retrospective study. For this type of study, formal consent is not required.