Affiliation: | Department of Pediatrics, Daqing Oil Field General Hospital of Heilongjiang Province;Department of General Surgery, Daqing Oil Field General Hospital of Heilongjiang Province;Department of Neurology, Daqing Oil Field General Hospital of Heilongjiang Province;Department of Pediatrics, Daqing Oil Field General Hospital of Heilongjiang Province;Department of Pediatrics, Daqing Oil Field General Hospital of Heilongjiang Province;Department of Pediatrics, Daqing Oil Field General Hospital of Heilongjiang Province |