Tsumura, Ryosuke https://orcid.org/0000-0001-8014-0190
Iwata, Hiroyasu
Article History
Received: 27 November 2019
Accepted: 17 February 2020
First Online: 27 February 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The clinical study protocol was approved by the research ethical review committee of Waseda University.
: Informed consent was obtained from all participants individually.