1. Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, China
2. Neonatal Intensive Care Unit, Nanfang Hospital of Southern Medical University, Guangzhou, China
3. Neonatal Intensive Care Unit, Shenzhen Third People's Hospital, Shenzhen, China
4. Neonatal Intensive Care Unit, Shenzhen University General Hospital, Shenzhen, China
5. Neonatal Intensive Care Unit, Shenzhen Baoan Hospital of Traditional Chinese Medicine, Shenzhen, China