LAMA2 and congenital muscular dystrophy: Laminin-α2-related congenital muscular dystrophy (LAMA2-CMD) also known as merosin-deficient congenital muscular dystrophy type 1A (MDC1A) is a severe genetic disease with an incidence estimated at 1–9/100,000 people and representing 10–30% of all congenital dystrophies [1–3].