Affiliation: | a Department of Cardiovascular Surgery, Freiburg University Medical Centre, Freiburg, Germany b Department of Thoracic Surgery, Freiburg University Medical Centre, Freiburg, Germany c Department of Pathology, Freiburg University Medical Centre, Freiburg, Germany d Department of Pulmonology, Freiburg University Medical Centre, Freiburg, Germany e Michael E. DeBakey Institute, Texas A&M University, College Station, Texas |