Hagiwara, Kaoru
Ko, Pyungwon
Okamura, Naotoshi
Takaesu, Yoshitaro
Funding for this research was provided by:
National Research Foundation of Korea Research Grant (NRF-2015R1A2A1A05001869)
NRF grant funded by the Korea government (MSIP) (2009-0083526)
Grant in Aid for Scientific Research (25400287, 26400254)