Shimada, Kota
Yokosuka, Kyoko
Nunokawa, Takahiro
Sugii, Shoji
Article History
Received: 13 February 2018
Revised: 17 May 2018
Accepted: 23 May 2018
First Online: 6 June 2018
Compliance with ethical standards
: The ethical board of Tokyo Metropolitan Tama Medical Center approved this study, and all the procedures were in accordance with the Helsinki Declaration of 1975.
: None.