1. Department of Recovery, Nursing School, Jilin University, Changchun, Jilin 130021, P.R. China
2. Department of Breast Surgery, The Second Hospital of Dalian Medical University, Dalian, Liaoning 116023, P.R. China
3. Department of National Engineering Laboratory for AIDS Vaccine, College of Life Sciences, Jilin University, Changchun, Jilin 130021, P.R. China
4. Department of Analysis and Testing Center, Jilin Academy of Environmental Sciences, Changchun, Jilin 130021, P.R. China
5. Department of Gynaecology and Obstetrics, The Second Hospital of Jilin University, Changchun, Jilin 130021, P.R. China