1. Reproductive Medical Center; Nanjing Jinling Hospital; Nanjing University School of Medicine; Nanjing China
2. Department of Laboratory Science, Nanjing Hospital, Jiangsu Corps; The Armed Police Force; PLA; Nanjing China
3. Key Laboratory of Animal Ecology and Conservation Biology; Institute of Zoology; Chinese Academy of Sciences; Beijing China
4. Department of Gerontology; the First Affiliated Hospital; and the Center of Metabolic Disease Research; Nanjing Medical University; Nanjing China