Makarova, E.V., Krysanov, I.S., Valilyeva, T.P., Vasiliev, M.D. and Zinchenko, R.A. 2021. Evaluation of orphan diseases global burden. European Journal of Translational Myology. 31, 2 (May 2021). DOI:https://doi.org/10.4081/ejtm.2021.9610.