“…The lowered keratinocyte proliferation by the MC feeders may reflect longer waiting period for the patients with major and extensive burns. But considering the high costs of producing the cultured epidermis [3,4], the MC feeders may still be useful, particularly in the low and middle-income group of countries where the incidence and mortality due to burns is high and cost-effectiveness of burn treatment is the top agenda [29,30]. However, the final product must be tested for the traces of MC in addition to fulfilling the other regulatory requirements before evaluating the clinical utility of the thinner epidermis produced by the MC approach.…”