V. S. Petrov
Republic of Sakha (Yakutia) state entity Republic’s Hospital N1 – National Center of Medicine
Russian Federation

Valeriy Sergeyevich Petrov – Candidate of Medicine, director general  

677019, 4 Sergelyakhskoye Chaussee, Yakutsk Phone: 8 (4112)395000 

A. V. Tobokhov
North-East Federal University named after M.K. Ammosov
Russian Federation

Alexander Vasilyevich Tobokhov – Professor, Doctor of Medical Science, head of the hospital surgery and radiology chair at the Medical Institute

677010, 4 Sergelyakhskoye Chaussee, Yakutsk Phone: 8 (4112)395644 

V. N. Nikolaev
North-East Federal University named after M.K. Ammosov
Russian Federation

Vladimir Nikolayevich Nikolayev - Candidate of Medicine, associate professor of the hospital surgery and radiology chair at the Medical Institute