PLXND1 and Moebius syndrome: Some links in the non-OMIM sources and supported by the older literature have been deemed not strong enough to deserve a separate entry in OMIM, e.g. the link between KCNJ8 and Cantú syndrome (Cooper et al., 2014) reported in DECIPHER or a link between PLXND1 and Moebius syndrome in Orphanet (Tomas-Roca et al., 2015).