1. Department of Respiratory Medicine, Qingdao Women’s and Children’s Hospital, Qingdao, China
2. Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, Qingdao, China
3. Department of Operating Room, The Affiliated Hospital of Qingdao University, Qingdao, China
4. Department of Orthopedics, The Affiliated Hospital of Qingdao University, Qingdao, China
5. Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao Cancer Institute, Qingdao, China
6. Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao, China