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Zhang, Jie https://orcid.org/0000-0003-0445-9700

Xu, Linli https://orcid.org/0000-0002-7032-9464

Ho, Cheuk-Lam https://orcid.org/0000-0001-8596-0307

Wong, Wai-Yeung https://orcid.org/0000-0002-9949-7525

Funding for this research was provided by:

National Natural Science Foundation of China (CN) (51373145)

National Natural Science Foundation of China (CN) (21501128)

Hong Kong Research Grants Council (HKBU203313)

Areas of Excellence Scheme, University Grants Committee of HKSAR (AoE/P-03/08)

Hong Kong Polytechnic University (1-ZE1C)

License valid from 2017-08-17