1. Graduate School, Dalian Medical University, Liaoning, People’s Republic of China
2. Reproduction Medicine Centre, The Affiliated Taizhou People’s Hospital of Nanjing Medical University, Taizhou, People’s Republic of China
3. Graduate School, Nanjing Medical University, Nanjing, People’s Republic of China
4. Graduate School, Nanjing University of Chinese Medicine, Nanjing, People’s Republic of China