Henan Key Laboratory of Child Brain Injury, Department of Neonatology, Institute of Neuroscience and Third Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China. Department of Neonatology, Children's Hospital of Zhengzhou University, Zhengzhou, 450018, China. Department of Neonatology, Women and Children Health Care Center of Luoyang, Luoyang, 471000, China. Department of Neonatology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China. Department of Pediatrics, Children's Hospital of Fudan University, Shanghai, China. Center of Perinatal Medicine and Health, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, 40530, Gothenburg, Sweden. Henan Key Laboratory of Child Brain Injury, Department of Neonatology, Institute of Neuroscience and Third Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China. changlian.zhu@neuro.gu.se. Center for Brain Repair and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, 40530, Gothenburg, Sweden. changlian.zhu@neuro.gu.se. Department of Women's and Children's Health, Karolinska Institutet, 17176, Stockholm, Sweden. changlian.zhu@neuro.gu.se.