Reconstructive surgery for Charcot osteoarthropathy of the calcaneus. A series of clinical cases - Артур Ruslanovich Suleymanov; Stanislav Aleksandrovich Osnach; Victor Gennadievich Protsko; Vladimir Nikolaevich Obolenskiy; Vasiliy Victorovich Kuznetsov; Elena Yuurievna Komelyagina; Nuria Ismailovna Sabantchieva; Sargon Konstantinovich Tamoev; Dmitry Yurievich Borzunov (N.N. Priorov Journal of Traumatology and Orthopedics, 2026)