Family | Protein mutation | Exon | Domain | Onset | Progression | Frequencies | References | |||||||
Belgian | L1820F | 17 | ZP1-150 | Prelingual | Stable | Mid | 2 | |||||||
G1824D | ||||||||||||||
Spanish | C1837G | 17 | ZP | Postlingual | Progressive | Mid | Present report | |||||||
Austrian | Y1870C | 18 | ZP | Prelingual | Stable | Mid | 2 | |||||||
French | C1619S | 14 | ZA1-151 | Pre- or postlingual | Progressive | High | 3 | |||||||
Swedish | C1057S | 10 | ZA | Postlingual | Progressive | High | 4 |