1. Center of Cardiac Surgery, Institute of PathologyFriedrich‐Alexander‐University Erlangen‐Nuremberg Erlangen Germany
2. Institute of PathologyFriedrich‐Alexander‐University Erlangen‐Nuremberg Erlangen Germany
3. Department of Cardiology, Clinical Center BambergFriedrich‐Alexander‐University Erlangen‐Nuremberg Erlangen Germany