IGFBP2 and Potocki-Lupski syndrome: Among these, known microduplications/microdeletions as 15q11.2 BP1-BP2 microdeletion, 16p11.2 microdeletion/microduplication syndrome, Potocki-Lupski syndrome, 22q11.2 deletion/duplication syndrome, and Leri-Weill dyschondrostosis (LWD)-SHOX deletion.