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Authors
Zhao, Guizhi
Wei, Zhili
Guo, Yang
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Article History
Received: 18 June 2019
Accepted: 6 March 2020
First Online: 14 March 2020
Ethics approval and consent to participate
: The study was approved by the ethics commitment of Dongzhimen Hospital, Beijing University of Traditional Chinese Medicine.
: Not applicable.
: The authors declare that they have no competing interests.
