HLA-C and vitiligo: In our meta‐analysis of vitiligo and freckles, we found 5 pairs, with the other 4 pairs being HLA‐C* 304 valine and methionine; serine and proline of HLA‐A* 105; threonine and arginine in HLA‐A* 163; aspartate and alanine in HLA‐A* 90.