1 Department of Imaging, Nanchong Central Hospital, The Second Clinical Medical College, North Sichuan Medical College, Nanchong, Sichuan, China.
2 Department of Pediatric Surgery, Chengdu Women and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology, Sichuan, China.
3 Department of Anesthesiology, The Affiliated Hospital, School of Medicine, UESTC Chengdu Women's and Children's Central Hospital, Chengdu, Sichuan, China. 2014982567@qq.com.