1. Department of Pediatrics, Affiliated Hospital of Hebei Engineering University, Handan, People’s Republic of China
2. Department of Oncology, Handan Central Hospital, Handan, People’s Republic of China
3. Department of Pediatrics Ward 2, Handan Central Hospital, Handan, People’s Republic of China
4. Department of Neonatology Ward 1, Handan Central Hospital, Handan, People’s Republic of China
5. Department of Nephrology 2, Handan Central Hospital, Handan, People’s Republic of China