Department of Pediatrics, Beijing Tongren Hospital, Capital Medical University, Beijing, China Contributions: (I) Conception and design: DS Huang; (II) Administrative support: DS Huang; (III) Provision of study materials or patients:… Click to show full abstract
Department of Pediatrics, Beijing Tongren Hospital, Capital Medical University, Beijing, China Contributions: (I) Conception and design: DS Huang; (II) Administrative support: DS Huang; (III) Provision of study materials or patients: YZ Wang, Y Zhang; (IV) Collection and assembly of data: HM Hu, WL Zhang; (V) Data analysis and interpretation: Y Yi, T Zhi, F Li; (VI) Manuscript writing: All authors; (VII) Final approval of manuscript: All authors. These authors contributed equally to work as co-first authors. Correspondence to: Dong-Sheng Huang. Department of Pediatrics, Beijing Tongren Hospital, Capital Medical University, West South Road 2, Yizhuang Economic and Technological Development Zone, Beijing 100176, China. Email: [email protected].
               
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