Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy

Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University, Seoul, Korea

Neonatal Research Network of Japan, Tokyo, Japan

Institute of Human Development, Child and Youth Health, Canadian Institutes of Health Research, Halifax, Canada

Division of Neonatal-Perinatal Care, Department of Pediatrics, Women and Children's Health Research Institute, University of Alberta, Edmonton, Canada

Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, Netherlands