1. Deutschsprachige Selbsthilfegruppe für Alkaptonurie (DSAKU) e.V.; Stuttgart Germany
2. Probiodrug AG; Halle Germany
3. Department of Experimental Therapy; Preclinical Experimental Center; Universitätsklinikum Erlangen; Erlangen Germany
4. Paul-Flechsig-Institute for Brain Research; University of Leipzig; Leipzig Germany
5. Translational Neuroendocrine Research Unit; Lund University; Lund Sweden
6. Department of Medical Genetics; Centre for Molecular Medicine and Therapeutics; University of British Columbia and Children's and Women's Hospital; Vancouver BC Canada
7. Department of Psychiatry; University of Muenster; Muenster Germany
8. St. Rochus-Hospital Telgte; Telgte Germany
9. Julius Bernstein Institute for Physiology; Martin Luther University of Halle-Wittenberg; Halle Germany
10. Fraunhofer-Institute for Cell Therapy and Immunology; Department of Drug Design and Target Validation; Halle Germany