Acknowledgements
WS
We would like to thank all participants of the National Multicenter SMOF Collaborative Group, which consisted of: Department of Neonatology, Women and Children’s Hospital, School of Medicine, Xiamen University, China (QY, WS, L-XT, YZ, Y-SW, X-ZL); Department of Neonatology, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China (JK, S-YS, FW); Department of Neonatology, Northwest Women’s and Children’s Hospital, Xian, Shanxi, China (R-MB, DY, Z-KL); Department of Neonatology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China (W-TY, S-RS, JM); Department of Pediatrics, Peking University Third Hospital, Beijing, China (JZ, Y-JZ, X-MT). We thank the Editeg (