1. Department of Cardiovascular Surgery; Second Affiliated Hospital of Zhengzhou University; Zhengzhou China
2. Department of Cardiology, Campus Virchow; Charité-Universitätsmedizin Berlin; Berlin Germany
3. DZHK (German Center for Cardiovascular Research), Partner Site Berlin; Berlin Germany
4. Department of Ophthalmology, Campus Virchow; Charité-Universitätsmedizin Berlin; Berlin Germany
5. Department of Thoracic Surgery, Campus Mitte; Charité-Universitätsmedizin Berlin; Berlin Germany