Shiratori, Yasutoshi http://orcid.org/0000-0002-7784-6210
Fukuda, Katsuyuki
Ikeya, Takashi
Takagi, Koichi
Nakamura, Kenji
Article History
Received: 2 November 2018
Accepted: 11 December 2018
First Online: 20 December 2018
Compliance with ethical standards
:
: Yasutoshi Shiratori, Katsuyuki Fukuda, Takashi Ikeya, Koichi Takagi and Kenji Nakamura 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.