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Authors
Mokoena, Kingsley Katleho
Ethan, Crystal Jane
Yu, Yan http://orcid.org/0000-0003-2751-6624
Shale, Karabo
Liu, Feng
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Article History
Received: 22 January 2019
Accepted: 1 July 2019
First Online: 5 July 2019
Ethics approval and consent to participate
: The study protocol for this research was accepted and approved by the Institutional Review Board at the School of Public Health, Health Science Centre, in Xi’an Jiaotong University. Written informed consent was not necessary or required since aggregated data was used and not individualized data. Patient information was anonymized before analysis.
: Not applicable.
: The authors declare they have no competing interests, financial or otherwise.
