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Authors
Sun, Kan
Lin, Diaozhu
Qiling, Feng
Li, Feng
Qi, Yiqin
Feng, Wanting
Ren, Meng
Yan, Li
Liu, Dan
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Article History
Received: 18 January 2019
Accepted: 6 September 2019
First Online: 7 October 2019
Ethics approval and consent to participate
: The study protocol was approved by the Institutional Review Board of the Sun Yat-sen Memorial Hospital, affiliated with Sun Yat-sen University. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. We obtained written informed consent with permission to use the data from each participant before data collection.
: Not Applicable.
: The authors declare that they have no competing interests.
