1. The Second Affiliated Hospital and Yuying Children's HospitalWenzhou Medical University Wenzhou China
2. The Mary M. Wohlford Laboratory for Male Contraceptive Research, Center for Biomedical Research, Population Council New York New York USA
3. Institute of Reproductive Medicine Nantong University School of Medicine Nantong China
4. Department of Biology Croucher Institute for Environmental SciencesHong Kong Baptist University Kowloon China