Okada, Ken-ichi
Kawai, Manabu
Hirono, Seiko
Miyazawa, Motoki
Kitahata, Yuji
Ueno, Masaki
Hayami, Shinya
Shimokawa, Toshio
Yamaue, Hiroki
Article History
Received: 26 March 2018
Accepted: 19 June 2018
First Online: 28 June 2018
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: All procedures performed were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.