1. Department of Pediatrics, Yantaishan Hospital, Yantai 264000, China
2. Department of Pediatrics, Jiyang People’s Hospital, Jinan 251400, China
3. Department of Emergency Medicine, Hiser Medical Group of Qingdao, Qingdao 266033, China
4. Department of Endocrinology, Zhangqiu District People’s Hospital, Jinan 250200, China
5. Department of Clinical Laboratory, The Second Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan 250001, China