1 Department of Cardiovascular Surgery, Binzhou Medical University Hospital, Binzhou, Shandong province, 256600, China. Electronic address: [email protected].
2 Department of Neurosurgery, Zichuan District Hospital, Zibo, Shandong province, 255100, China.
3 Department of Cardiology, Jinan People's Hospital Affiliated to Shandong First Medical University, Jinan, Shandong Province, 271100, China.
4 Department of Cardiovascular Surgery, Binzhou Medical University Hospital, Binzhou, Shandong province, 256600, China.