MYH3 and Freeman-Sheldon syndrome: Pathogenic variants in MYH3 were associated with other types of DAs such as Freeman‐Sheldon syndrome (FSS, a.k.a. DA2A, MIM #193700) as well as Sheldon‐Hall syndrome (SHS, a.k.a. DA2B3, MIM #618436; Tajsharghi et al., 2008; Toydemir et al., 2006).