FKRP and muscular dystrophy-dystroglycanopathy type B5: Pathogenic variants identified in the FKRP gene have been associated with a broad clinical spectrum of autosomal recessive muscular dystrophies, such as Congenital Muscular Dystrophy type 1C (MDC1C, OMIM606612), Walker–Warburg Syndrome (WWS, OMIM236670), Muscle–Eye–Brain Disease (MEB, OMIM253280) and Limb Girdle Muscular Dystrophy R9 (LGMDR9) (previously known as LGMD2I, MIM607155) [14,15,16,17,18,19].