Takahashi, Hiroyuki
Takase, Hiroshi http://orcid.org/0000-0001-8327-803X
Terada, Yukiko
Mochizuki, Manabu
Ohno-Matsui, Kyoko
Article History
Received: 12 August 2017
Accepted: 25 January 2018
First Online: 3 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest. Ethical approval: All procedures performed in studies involving human participants were approved by the Ethics Committee of Tokyo Medical and Dental University and were accordance with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: An informed consent was obtained from all of the patients to perform the examinations, and all agreed that the information collected could be used for future medical research.