1. State Key Laboratory of Ultrasound Engineering in Medicine Co-Founded by Chongqing and the Ministry of Science and Technology, Chongqing Collaborative Innovation Center for Minimally Invasive and Noninvasive Medicine, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
2. Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai 200040, China
3. Department of Respiratory Disease, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China