LAMA2 and congenital muscular dystrophy: LAMA2-MD has an estimated prevalence of 4 in 500,000 children (Nguyen et al., 2019), and accounts for 36–48% of patients with congenital muscular dystrophies (CMDs) (Sframeli et al., 2017; Abdel Aleem et al., 2020; Ge et al., 2019).