Yu, Chengpu
Lau, Joseph Tak-fai
Zhong, Weixing
Huang, Xinting
Pan, Chao
Chen, Yu
Lu, Huanpeng
Zhao, Fengxiao
Zeng, Siying
Lai, Jinglin
Tie, Chengwei
Li, Xu
Zhang, Jianlin
Zhang, Chuangqi
Liu, Ying
Jiang, Qianli http://orcid.org/0000-0001-8234-4568
Article History
Received: 8 January 2019
Accepted: 15 October 2019
First Online: 12 December 2019
Ethics approval and consent to participate
: Ethical approval was obtained from the department of anthropology at Sun Yat-sen University(NO:L20180103). Informed consent was obtained from all informants both verbally and in writing and they were assured anonymity and confidentiality.
: Not applicable.
: The authors declare that they have no competing interests.