N. S. Nikolaev
Federal Center of Traumatology, Orthopedics and Endoprosthetics of Minzdrav of Russia; I.N. Ulianov Chuvash State University
Russian Federation

Nikolay S. Nikolaev, doctor of medical sciences, professor

428000; Fedora Gladkova st., 33; 428015; Moskovsky ave., 15; Cheboksary

V. N. Diomidova
I.N. Ulianov Chuvash State University; City Clinical Hospital No 1 of Minzdrav of Chuvashia
Russian Federation

Valentina N. Diomidova, doctor of medical sciences, professor

428015; Moskovsky ave., 15; 428028; Traktorostroiteley ave., 46; Cheboksary

N. V. Zhuravleva
I.N. Ulianov Chuvash State University; Central City Hospital of Minzdrav of Chuvashia
Russian Federation

Nadezhda V. Zhuravleva, candidate of medical sciences

428015; Moskovsky ave., 15; 428003; Cheboksary, Lenina ave., 47; Cheboksary

E. А. Guryanova
I.N. Ulianov Chuvash State University; Postgraduate Doctors Training Institute of Minzdrav of Chuvashia
Russian Federation

Evgeniya A. Guryanova, doctor of medical sciences, professor

428015; Moskovsky ave., 15; 428018; Mikhaila Sespelya st., 27; Cheboksary

I. V. Cherkаsova
Federal Center of Traumatology, Orthopedics and Endoprosthetics of Minzdrav of Russia
Russian Federation

Irina V. Cherkаsova

428000; Fedora Gladkova st., 33; Cheboksary