Application of the technique of autologous matrix-induced chondrogenesis in the treatment of patients with osteoarthritis of the first metatarsophalangeal joint by Maxim R. Nurmukhametov, Maxim A. Makarov, Evgeny I. Byalik, Yaroslav B. Khrennikov, Valery E. Byalik, Vadim A. Nesterenko