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Authors
Li, Li http://orcid.org/0000-0002-6430-6290
Lin, Trisha T. C.
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Funding
Funding for this research was provided by:
Nanyang Technological University (M4081477.060)
Yunnan University (C176220100019)
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Article History
Received: 15 January 2019
Accepted: 3 June 2019
First Online: 18 June 2019
Ethics approval and consent to participate
: Ethical approval was obtained from the Institutional Review Board, Nanyang Technological University, Singapore (Ref No. IRB-2014-12-013) and informed written consent was obtained from all the participants individually.
: Not Applicable.
: The authors declare that they have no competing interests.
