Affiliations

• ¹ Department of Pediatrics, The Third Hospital of Hebei Medical University, Hebei Medical University, Shijiazhuang, Hebei, China; Department of Neurology, The Children's Hospital of Hebei Province, Affiliated to Hebei Medical University, Shijiazhuang, Hebei, China.
• ² Department of Neurology, The Children's Hospital of Hebei Province, Affiliated to Hebei Medical University, Shijiazhuang, Hebei, China.
• ³ Department of Nephrology and Immunology, The Children's Hospital of Hebei Province, Affiliated to Hebei Medical University, Shijiazhuang, Hebei, China.
• ⁴ Department of Pediatrics, The Third Hospital of Hebei Medical University, Hebei Medical University, Shijiazhuang, Hebei, China. Electronic address: lzhang79@126.com.