Faces of patients with RES showing typical facial features including hypertelorism (A, G, I K, L), prominent forehead (all), flat midface/midface retrusion (all except D), alopecia (B, D, L, P), turricephaly (N and P), and ear abnormalities (low, position (B, J, P), posterior rotation (B, D, L, P), and microtia (N)). Adapted from Tully, et al. (2012) with permission.