1 Healthcare Accountability Lab, University of Milan, Milan, Italy; and Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China.
2 Department of Neonatology and Neonatal Intensive Care, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.
3 Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Fujian Medical University, Quanzhou, China.