| Affiliation: | 1. Department of Ultrasound in Medicine, Sichuan Provincial People's Hospital Affiliate Wenjiang Hospital, Chengdu, Sichuan, China;2. Department of Cardiovascular Ultrasound and Non-invasive Cardiology, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, Sichuan, China;3. Department of Ultrasound in Medicine, Meishan Second People's Hospital, Chengdu, Sichuan, China;4. GE Healthcare Cardiac and Vascular Ultrasound Clinic Education Team, Chengdu, Sichuan, China |
