We would like to thank all participants of the Chinese Multicenter EUGR Collaborative Group, which consisted of: Department of Neonatology, Women and Children’s Hospital, School of Medicine, Xiamen University, Xiamen, Fujian, China (YZ, QY, WS, LT, ZZ, and XL); Department of Neonatology, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China (FW, Qianxin Tian, and Qiliang Cui); Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China (JM, Yuan Yuan, and Ling Ren); Department of Neonatology, Guiyang Maternity and Child Health Hospital/Guiyang Children’s Hospital, Guiyang, Guizhou, China (LL, Bizhen Shi and Yumei Wang); Department of Pediatrics, Peking University Third Hospital, Beijing, China (YC, Jinghui Zhang, and XT); Department of Neonatology, Children’s Hospital of Fudan University, Shanghai, China (RZ, Yan Zhu); Department of Neonatology, Maternal and Child Hospital of Guangdong Province, Guangzhou, Guangdong, China (XY, Jingjing Zou); Department of Neonatology, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, China (YQ, Yuhuai Li, and Baoyin Zhao); Department of Neonatology, Children’s Hospital of Hebei Province, Shijiazhuang, Hebei, China (Shuhua Liu and LM); Department of Neonatology, Children’ Hospital of Nanjing Medical University, Nanjing, Jiangsu, China (Ying Xu and RC); Department of Neonatology, The First Hospital of Jilin University, Changchun, Jilin, China (Wenli Zhou and HW); Department of Neonatology, Quanzhou Maternity and Children’s Hospital, Quanzhou, Fujian, China (Zhiyong Liu and DC); Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (Jinzhi Gao, Jing Liu, and Ling Chen); Department of Neonatology, Liaocheng People’s Hospital, Liaocheng, Shandong, China (Cong Li, Chunyan Yang, and Ping Xu); Department of Neonatology, the Affiliate Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia, China (Yayu Zhang, Sile Hu, and Hua Mei); Department of Neonatology, Suzhou Municipal Hospital, Suzhou, Jiangsu, China (Zuming Yang, Zongtai Feng, and Sannan Wang); Department of Neonatology, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China (Eryan Meng, Lihong Shang, and Falin Xu); Department of Neonatology, Chengdu Women’ and Children’s Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China (Shaoping Ou and Rong Ju); Department of Neonatology, Hunan Children’s Hospital, Changsha, Hunan, China (Guinan Li and Juan Yi); Department of Neonatology, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang, China (Long Li and Yongqiao Liu); Department of Neonatology, Guangzhou Women and Children’s Medical Center, Guangzhou, Guangdong, China (Zhe Zhang and Meigui Wu); Department of Neonatology, Shanghai Children’s Medical Center, Shanghai, China (Fei Bei and Ye Liu); Department of Neonatology, Children’s Hospital of Chongqing Medical University, Chongqing, China (Chun Deng and Huijie Yang); Department of Neonatology, The First People’s Hospital of Yulin, Yulin,Guangxi, China (Ping Su and Shifeng Chen); Department of Neonatology, the People’s Hospital of Baoji, Baoji, Shanxi, China (Lingying Luo and Linlin Wang); Department of Pediatrics, Affiliated Hospital of Qingdao University, Qingdao, Shandong, China (Xiaohong Liu and Lihua Yan); Departments of Neonatology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China (Lijun Wang and Xiaokang Wang); and Departments of Neonatology, Xi’an Children’s Hospital, Xi’an, Shanxi, China (Shuqun Yu and Qiaomian Zhu).