The genetic cause of<unk>  has not been conclusively determined. It is most likely due to a de novo mutation, and it may be associated with the GJA1 gene.
Hallermann–Streiff syndrome
Progeria
Keppen–Lubinsky syndrome
Jervell and Lange-Nielsen syndrome
Shprintzen–Goldberg syndrome
Laron syndrome
Gleich's syndrome
Prader–Willi syndrome