1. Department of Medicine III and IZKF; University Hospital Aachen; Aachen Germany
2. Institute of Clinical and Experimental Medicine (IKEM); Prague Czech Republic
3. Department of Internal Medicine I; University Hospital Ulm; Ulm Germany
4. Institute of Comparative Molecular Endocrinology; University of Ulm; Ulm Germany
5. Institute of Pathology; Medical University of Graz; Graz Austria
6. Department of Medicine; University of California at Los Angeles; Los Angeles CA USA
7. INSERM, U1016, Institute Cochin; Paris France