Yokoi, Takayuki
Enomoto, Yumi
Naruto, Takuya
Kurosawa, Kenji http://orcid.org/0000-0002-6817-7748
Higurashi, Norimichi
Article History
Received: 12 September 2019
Revised: 2 December 2019
Accepted: 15 April 2020
First Online: 18 May 2020
Conflict of interest
: The authors declare that they have no conflict of interest.