1. Department of Pediatric, Binzhou People's Hospital, Binzhou, China.
2. Department of Pediatric Intensive Care, Binzhou People's Hospital, Binzhou, China.
3. Department of Pediatric Neurology and Rehabilitation, Binzhou People's Hospital, Binzhou, China.
4. Department of Pediatric II, The First Hospital of Yulin City, Yulin, China.