Kuruma, Sawako http://orcid.org/0000-0002-4113-2718
Kikuyama, Masataka
Kamisawa, Terumi
Chiba, Kazuro
Article History
Received: 5 January 2019
Accepted: 16 March 2019
First Online: 17 April 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures followed have been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: Informed consent was obtained from all patients for being included in the study.