1. Pediatric Department the Affiliated Hospital of Qingdao University Shandong P.R. China
2. Department of Pediatric Neurology the Affiliated Qingdao Women & Children’s Hospital of Qingdao University Qingdao China
3. Party and Government Office the Affiliated Hospital of Qingdao University Shandong P.R. China
4. Kangso Medical Inspection Co., Ltd Beijing P.R. China