1. Cologne Center for Genomics
2. Cluster of Excellence on Cellular Stress Responses in Aging-associated Diseases; University of Cologne; Cologne Germany
3. Division of Human Genetics; Innsbruck Medical University; Innsbruck Austria
4. Institute of Clinical Genetics; Dresden University of Technology; Dresden Germany
5. Praxis Dr. Peter E. Bleuler; Rüti Switzerland
6. Center for Peripheral Neurosurgery; Dossenheim Germany
7. Praxis Dr. Jörg Rößler; Marcolini-Praxisklinik; Dresden Germany
8. International Dupuytren Society; Übersee Germany
9. Institute for Hand and Plastic Surgery; Oldenburg Germany
10. Department for Trauma, Hand, and Reconstructive Surgery; Carl-Thiem-Klinikum Cottbus; Cottbus Germany
11. Department for Plastic, Aesthetic, and Hand Surgery; University Hospital of Magdeburg; Magdeburg Germany
12. Department for Plastic Surgery; St.-Antonius-Hospital; Eschweiler Germany
13. Center for Hand and Reconstructive Surgery; Roland-Klinik Bremen; Bremen Germany
14. Praxis Drs. Frank/Lenze; Bielefeld Germany
15. Department for Trauma, Hand, and Reconstructive Surgery; University Hospital of Münster; Münster Germany