1. Institute for Medical and Human Genetics; Charité-Universitätsmedizin Berlin; Berlin Germany
2. Max Planck Institute for Molecular Genetics; Berlin Germany
3. Berlin-Brandenburg Center for Regenerative Therapies (BCRT); Berlin Germany
4. Department of Pediatric Orthopedics; Schön Klinik Vogtareuth; Vogtareuth Germany
5. Institute of Human Genetics; University of Ulm; Ulm Germany
6. Institute of Human Genetics; University of Frankfurt; Frankfurt/Main Germany