1. Department of Clinical LaboratoryThe Affiliated Hospital of Qingdao University Qingdao China
2. Department of Molecular MicrobiologyOslo University Hospital Oslo Norway
3. Department of CardiologyThe Affiliated Hospital of Qingdao University Qingdao China
4. Department of Cardiovascular SurgeryTEDA International Cardiovascular Hospital,Academy of Medical Sciences & Peking Union Medical College Tianjin China
5. Department of SurgeryOregon Health and Science University Portland Oregon