1Department of Pediatrics, The First Affiliated Hospital of Guangxi Medical University, Nanning, China 2Department of Pediatrics, The First People’s Hospital of Nanning, Nanning, China 3Difficult and Critical Illness Center, Pediatric Clinical Medical Research Center of Guangxi, Nanning, China 4The Key Laboratory of Children’s Disease Research in Guangxi’s Colleges and Universities, Education Department of Guangxi Zhuang Autonomous Region, Nanning, China Objectives: To develop a diagnostic...