1. Department of Ultrasonic Medicine West China Second Hospital of Sichuan University Chengdu Sichuan China
2. Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University) Ministry of Education Chengdu Sichuan China
3. Department of Pediatric Pulmonology and Immunology West China Second Hospital of Sichuan University Chengdu Sichuan China
4. NHC Key Laboratory of Chronobiology (Sichuan University) Chengdu Sichuan China
5. Department of Pathology West China Second Hospital of Sichuan University Chengdu Sichuan China
6. Department of Radiology West China Second Hospital of Sichuan University Chengdu Sichuan China