1. Department of Gynecology and Obstetrics, The University of Hong Kong-Shenzhen Hospital, Shenzhen 518053, Guangdong, China
2. Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, Yunnan, China
3. Yantian District Maternal and Child Health Hospital, Shenzhen, Guangdong, China
4. Department of Dermatology, The First People’s Hospital of Foshan, Foshan, Guangdong, China
5. Department of Burn and Plastic Surgery, Guangzhou First People’s Hospital, South China University of Technology, Guangzhou, Guangdong, China