Liu, Tai-Ping http://orcid.org/0000-0002-3843-8855
Yu, Shih-Hsien
Funding for this research was provided by:
MOE I, Singapore (R-146-000-221-112)
Simons Foundation grant (412670)
Ministry of Science and Technology, Taiwan (105-2115-M-001-005)
Article History
Received: 4 October 2017
Accepted: 12 January 2018
First Online: 1 February 2018