Liu, Lin
Shen, Geng
Huang, Jia-yi
Yu, Yu-ling
Chen, Chao-lei
Huang, Yu-qing
Feng, Ying-qing
Article History
Received: 7 April 2019
Accepted: 12 August 2019
First Online: 17 August 2019
Ethics approval and consent to participate
: The study was conducted in accordance with the Declaration of Helsinki. Informed consent was obtained from all participants.
: Not applicable
: The authors declare that they have no competing interests.