Wakai, Junko
Kusama, Shoko
Nakajima, Kosuke
Kawai, Shikiho
Okumura, Yasuaki
Shiojiri, Kaori
Article History
Received: 5 December 2018
Accepted: 24 June 2019
First Online: 12 July 2019
Competing Interests
: The authors declare no competing interests.