Table 2. Presumed nonpathogenic variants found in this study.

Gene	Exon	Nucleotide change	Codon	SNP
AIPL1	Exon3	c.276–10 A>C		rs12453262
		c.300A>G	p. L100L	rs8075035
PITPNM3	Exon4	IVS3+56G>T		rs11656015
	Exon6	c.477C>T	p.S159S	rs145362623
GUCY2D	Exon3	c.741C>T	p.H243H	rs3829789
	Exon10	c.2100C>T	p.P700P	rs34598902