Minami, Motoyasu
Mori, Takako
Yonezawa, Takayuki
Saito, Yukiko
Teruya, Toshiaki
Woo, Je-Tae
Funding for this research was provided by:
the Okinawa Prefectural Government
Article History
Received: 19 May 2017
Accepted: 10 October 2017
First Online: 23 October 2017