[1] Guangdong Acad Med Sci, Guangdong Prov Peoples Hosp, Guangdong Cardiovasc Inst, Dept NICU,Guangdong Prov Key Lab South China Stru, Guangzhou, Peoples R China
[2] Southern Med Univ, Affiliated Foshan Matern & Child Healthcare Hosp, Dept Child Healthcare, Foshan, Peoples R China
[3] Guangdong Acad Med Sci, Guangdong Prov Peoples Hosp, Guangdong Cardiovasc Inst, Dept NICU, Guangzhou, Peoples R China
[4] Peoples Liberat Army Gen Hosp, Dept Neonatol, Sr Dept Pediat, Med Ctr 7, Beijing, Peoples R China
[5] South China Univ Technol, Guangdong Prov Peoples Hosp, Sch Med, Dept NICU, Guangzhou, Peoples R China
[6] Guangdong Acad Med Sci, Guangdong Prov Peoples Hosp, Guangdong Cardiovasc Inst, Prevent & Treatment Res Off,Cardiovasc Dis & Epide, Guangzhou, Peoples R China
[7] Guangdong Acad Med Sci, Guangdong Prov Peoples Hosp, Guangdong Cardiovasc Inst, Dept NICU, 106 Zhongshan 2nd Rd, Guangzhou 510080, Peoples R China