Horii, Takeshi
Iwasawa, Makiko
Kabeya, Yusuke
Shimizu, Jyunichi
Atsuda, Koichiro
Article History
Received: 25 April 2019
Accepted: 19 July 2019
First Online: 26 July 2019
Ethics approval and consent to participate
: This study was conducted in accordance with the ethical guidelines for medical and health research involving human subjects. The ethics board of the Tokyo Saiseikai Central Hospital approved the study (March 1, 2016; control number: 27–51).
: Not applicable.
: The authors declare that they have no competing interests.