1. Division of Vascular Medicine; Department of Internal Medicine; Goethe University Hospital; Frankfurt/Main Germany
2. Haemophilia Center; Department of Internal Medicine; Goethe University Hospital; Frankfurt/Main Germany
3. Division of Haemostaseology; Department of Internal Medicine; Goethe University Hospital; Frankfurt/Main Germany
4. Praxis am Grueneburgweg; Medical Practice of Angiology and Haemostaseology; Frankfurt/Main Germany