HSPG2 and Hip dysplasia: Our replication study indicated that no association exists between the four previously reported variations in TENM3 (OMIM * 610083, chr4:183721398), HSPG2 (OMIM * 142461, chr1:22201470), ATP2B4 (OMIM * 108732, chr1:203682345), and PTGFR (OMIM * 600563, chr1:79002214) and DDH in a Chinese Han population.