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Authors
Bi, Jian-lu
Chen, Jing
Sun, Xiao-min
Nie, Xiao-li
Liu, Yan-yan
Luo, Ren
Zhao, Xiao-shan
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Funding
Funding for this research was provided by:
NSFC-Guangdong joint fund (U1132001)
the National Science Foundation of China (81703891)
TCM State Administration Foundation of Guangdong Province, China (20161014)
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Article History
Received: 7 August 2018
Accepted: 12 March 2019
First Online: 21 March 2019
Ethics approval and consent to participate
: The study was approved by the ethics committee of Nanfang Hospital in Guangzhou, China. It complied with the principles outlined in the Helsinki Declaration. All procedures were performed in accordance with the ethical standards. Written consent was obtained from each participant. Students under 18 years old provided verbal consent from next of kin, carers or guardians. The Ethics Committee thought students under 18 were mature enough to understand the aim of the study. Verbal consent was deemed appropriate because the students volunteered for the study. If they did not want to take part in the questionnaire survey, they could refuse.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
