1 Department of Cardiopulmonary Vascular Diseases, Tai'an Central Hospital (Tai'an Central Hospital affiliated to Qingdao University, Mount Taishan Medical Center), Tai An 271000, Shandong, China.
2 Department of Medical lmaging, Tai'an Central Hospital (Tai'an Central Hospital affiliated to Qingdao University, Mount Taishan Medical Center), Tai An 271000, Shandong, China.