1. Department of Surgery No. 1, National Pirogov Memorial Medical University, Vinnytsya, Ukraine
2. Center of Thoracic Surgery, Municipal Nonprofit Enterprise “Vinnytsya Regional Clinical Hospital Named after M.I. Pirogov of the Vinnytsya Regional Council”, Vinnytsya, Ukraine
3. Center of Anesthesiology with ICU, Municipal Nonprofit Enterprise “Vinnytsya Regional Clinical Hospital Named after M.I. Pirogov of the Vinnytsya Regional Council”, Vinnytsya, Ukraine