1. NeurologyThe Johns Hopkins School of Medicine Baltimore Maryland
2. Translational Science & IntelligenceGrünenthal GmbH Aachen Germany
3. In‐Vitro Biology & Biomarker Research UnitGrünenthal GmbH Aachen Germany
4. Pachyonychia Congenita Project Salt Lake City Utah
5. Department of Plastic & Reconstructive SurgeryThe Johns Hopkins School of Medicine Baltimore Maryland