Gong, Wen-yu
Liu, Man
Luo, Dan
Liu, Fan-na
Yin, Liang-hong
Li, Yuan-qing
Zhang, Jun
Peng, Hui
Funding for this research was provided by:
the project of cultivating young teachers in Sun Yat-sen University (No. 17kypy56)
Article History
Received: 5 January 2019
Accepted: 8 April 2019
First Online: 30 April 2019
Ethics approval and consent to participate
: This study was performed in adherence to the declaration of Helsinki and approved by the institutional ethics review boards (the third affiliated hospital of Sun Yat-Sen university and the first affiliated hospital of Jinan university), and was performed with an approved waiver of informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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