Nakajima, Hideki
Ueno, Miki
Adachi, Kaori
Nanba, Eiji
Narita, Aya
Tsukimoto, Jun
Itoh, Kohji
Kawakami, Atushi
Article History
Received: 13 November 2018
Revised: 22 March 2019
Accepted: 1 April 2019
First Online: 26 April 2019
Conflict of interest
: The authors declare that they have no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institution and/or 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 in this study.