1 Department of Pediatrics, Dongfang Hospital, 156 Xi Er Huan Bei Road, Fuzhou, 350025, Fujian, People's Republic of China.
2 Department of Pediatrics, Fuzhou Clinical Medical College, Fujian Medical University, Fuzhou, 350025, Fujian, People's Republic of China.
3 Department of Pediatrics, Affiliated Dongfang Hospital, Xiamen University, Fuzhou, 350025, Fujian, People's Republic of China.
4 Department of Pediatrics, Dongfang Hospital, 156 Xi Er Huan Bei Road, Fuzhou, 350025, Fujian, People's Republic of China. zihua_yu@126.com.
5 Department of Pediatrics, Fuzhou Clinical Medical College, Fujian Medical University, Fuzhou, 350025, Fujian, People's Republic of China. zihua_yu@126.com.
6 Department of Pediatrics, Affiliated Dongfang Hospital, Xiamen University, Fuzhou, 350025, Fujian, People's Republic of China. zihua_yu@126.com.