Therefore, several clinician-driven registries were deployed during the last 5 years, namely for Charcot-Marie-Tooth disease (CMT), muscle glycogen storage disorders (MGSD), spinal and bulbar muscular atrophy (SBMA), and transthyretin type-familial amyloidotic polyneuropathy (TTR-FAP). Here, FAP is linked to Charcot-Marie-Tooth disease.