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Authors
Zhao, Mingpeng
Zhang, Haoyang
Waters, Tarah H. B.
Chung, Jacqueline Pui Wah
Li, Tin Chiu
Chan, David Yiu Leung
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Article History
Received: 24 January 2019
Accepted: 28 October 2019
First Online: 28 November 2019
Ethics approval and consent to participate
: Ethical approval was not required for this cohort study.
: Not applicable.
: The authors declare that they have no competing interests.
