1. Herz- und Diabeteszentrum NRW, Institute of Laboratory and Transfusion Medicine (ILTM), Bad Oeynhausen, Germany
2. Ruhr-University Bochum, Medizinisches Proteom-Center, Medical Faculty, Bochum, Germany
3. Ruhr-University Bochum, Medical Proteome Analysis, Center for Protein Diagnostics (ProDi), Bochum, Germany