Nishikawa, Yusuke
Chino, Akiko
Ide, Daisuke
Saito, Shoichi
Igarashi, Masahiro
Takamatsu, Manabu
Fujisaki, Junko
Igarashi, Yoshinori
Article History
Accepted: 11 September 2019
First Online: 19 October 2019
Compliance with ethical standards
: The study protocol was reviewed and approved by the institutional review boards of the participating institutions.
: The authors declare that they have no conflict of interest.