Nonaka, Yoichi
Hayashi, Naokazu
Matsumae, Mitsunori
Fukushima, Takanori
Article History
Received: 13 November 2018
Accepted: 24 December 2018
First Online: 27 April 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Informed consent was obtained from all individual participants included in the study.