Kawai, Kazushige http://orcid.org/0000-0002-5881-0036
Morikawa, Teppei
Article History
Accepted: 13 June 2018
First Online: 21 June 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Ethics Committees of the University of Tokyo (no. 3252-(6)).
: Written informed consent was obtained from all patients enrolled.