Table 1. Parent numbers.

Parent Number	Mother or Father	Child’s diagnosis
1	Mother	Ohtahara syndrome
2	Father	Ohtahara syndrome
3	Mother	Floating-Harbor syndrome
4	Father	Floating-Harbor syndrome
5	Mother	Mutation in OPHN1
6	Mother	Floating-Harbor syndrome
7	Mother	Episodic Ataxia Type I
8	Father	Cantú syndrome
9	Mother	Cantú syndrome