Fig. 1

Schematic illustration of the chromosomal locations of the rare CNVs using UCSC Genome Browser. a 1q21.1 del; b 15q11.2 del; c 16p11.2 dup; d WBS dup. Note: In custom tracks, red color indicates deletion in case, dark red indicates deletion in control. For duplication bright blue color indicates duplication in case, while dark blue indicates duplication in control