Department of Dermatology affiliated hospital of Qingdao University Medical College MD;
Disease Control Center of Qingdao city;
The Sexual Health Center affiliated hospital of Qingdao University Medical College;
Postgraduate Medical College;
Qingdao University Qingdao;
China;
启动因子; 性行为; 男性; 中国; AIDS; 爱滋病病毒; 病毒感染;