1. Department of Pediatrics, People’s Hospital of Nanning City at Yongning District , Nanning, China
2. South-Eastern Finland University of Applied Sciences , Kouvola, Finland
3. Department of Radiology, People’s Hospital of Nanning City at Yongning District , Nanning, China
4. Department of Health Sciences, Hong Kong Metropolitan University , Kowloon, Hong Kong SAR
5. School of Nursing and Health Sciences, Hong Kong Metropolitan University , Kowloon, Hong Kong SAR