Funatsu, Atsushi
Anzai, Hitoshi
Komiyama, Kota
Oi, Kuniomi
Araki, Hiroshi
Tanabe, Yasuhiro
Nakao, Masashi
Utsunomiya, Makoto
Mizuno, Atsushi
Higashitani, Michiaki
Nakamura, Shigeru
Article History
Received: 6 April 2018
Accepted: 31 May 2018
First Online: 8 June 2018
Compliance with ethical standards
:
: 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. The study protocol was reviewed and approved by the institutional review boards and ethics committee of each participating hospital, and posted for eligible patients.
: The authors declare that they have no conflict of interest.