Tanaka, Motonao
Sakamoto, Tsuguya
Saijo, Yoshifumi
Katahira, Yoshiaki
Sugawara, Shigeo
Nakajima, Hiroyuki
Kurokawa, Takafumi
Kanai, Hiroshi
Article History
Received: 27 November 2018
Accepted: 18 March 2019
First Online: 10 May 2019
Compliance with ethical standards
:
: There are no financial or other relations that could lead to a conflict of interest.
: All procedures followed were in accordance with the standards of the Ethics Committee for Human Research (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2008.