Is the autosomal dominant Optiz GBBB syndrome part of the DiGeorge/velocardiofacial syndrome with deletions of chromosome area 22q11.2?

Abnormalities, Multiple/genetics Chromosome Aberrations/genetics Chromosome Deletion Chromosome Disorders Chromosomes, Human, Pair 22/genetics Craniofacial Abnormalities/genetics DiGeorge Syndrome/genetics Female Heart Defects, Congenital/genetics Humans Male Syndrome