Sato, Kimiya https://orcid.org/0000-0002-8534-8852
Miyamoto, Morikazu
Takano, Masashi
Tsuda, Hitoshi
Article History
Received: 27 December 2019
Revised: 9 February 2020
Accepted: 20 February 2020
First Online: 6 March 2020
Compliance with ethical standards
: The research protocol was approved by the Institutional Ethical Review Board Committee of the National Defense Medical College, Tokorozawa, Japan.
: The authors declare that they have no conflict of interest.