Tong, Jinchao http://orcid.org/0000-0002-8398-9242
Tobing, Landobasa Y. M. http://orcid.org/0000-0002-3113-1252
Qian, Li http://orcid.org/0000-0001-6424-7158
Suo, Fei http://orcid.org/0000-0002-4613-400X
Zhang, Dao Hua http://orcid.org/0000-0002-5853-254X
Funding for this research was provided by:
Economic Development Board - Singapore (NRF2013SAS-SRP001-019)
Ministry of Education - Singapore (RG177/17)
Agency for Science, Technology and Research, Singapore (1720700038)
Article History
Received: 23 March 2018
Accepted: 8 June 2018
First Online: 18 June 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.