SLC39A13 and Ehlers-Danlos syndrome, spondylocheirodysplastic type: The phenotypes of Zip13-knockout mice are similar to those of patients with spondylocheiro dysplastic form of Ehlers–Danlos syndrome (Ehlers–Danlos syndrome spondylodysplastic type 3, EDSSPD3), with an extremely thin layer of dermis and many wrinkles.