PeerJ Author 100 Points Contributions by role Author 100 Contributions by subject area HIV Psychiatry and Psychology Public Health Yuan Yang PeerJ Author Summary Psychiatry & Psychology Past or current institution affiliations University of Macau PeerJ Contributions Articles 1 October 21, 2020 Older adults at high risk of HIV infection in China: a systematic review and meta-analysis of observational studies Yuan Yuan Wang, Yuan Yang, Chang Chen, Ling Zhang, Chee H. Ng, Gabor S. Ungvari, Xiaohua Douglas Zhang, Yu-Tao Xiang https://doi.org/10.7717/peerj.9731 PubMed 33150054