1. Department of Paediatrics, The First School of Clinical MedicineSouthern Medical University Guangzhou China
2. Department of Paediatrics, The Second School of Clinical MedicineSouthern Medical University Guangzhou China
3. Department of Neonatology and NICUBeijing Chaoyang District Maternal and Child Healthecare Hospital Beijing China
4. Department of Neonatal Intensive Care Unit, Affiliated Shenzhen Maternity & Child Healthcare HospitalSouthern Medical University Shenzhen China
5. Department of PaediatricsMedical School of Chinese PLA Beijing China
6. Department of NeonatologyThe Fifth Medical Center of The PLA General Hospital Beijing China
7. Department of DermatologyShenzhen People's Hospital Shenzhen China