M. A. Krylovetskaya
National Medical Research Centre of Oncology n.a. N. N. Blokhin
Russian Federation

Krylovetskaya Maria A., endoscopist at Endoscopy Dept of Research Institute of Clinical Oncology 

Moscow

I. G. Komarov
National Medical Research Centre of Oncology n.a. N. N. Blokhin; Russian Medical Academy for Continuing Professional Education
Russian Federation

 Komarov Igor G., DM Sci (habil.), professor, leading researcher1 , professor at Dept of Oncology and Palliative Medicine n. a. A. I. Savitsky

Moscow

M. I. Komarov
National Medical Research Centre of Oncology n.a. N. N. Blokhin
Russian Federation

Komarov Maxim I., PhD Med, researcher at Oncology Dept of Surgical Methods of Treatment No. 4 of Research Institute of Clinical Oncology

 Moscow

O. A. Gusarova
National Medical Research Centre of Oncology n.a. N. N. Blokhin
Russian Federation

Gusarova Olga A., resident endoscopist at Endoscopy Dept of Research Institute of Clinical Oncology 

Moscow

O. A. Malikhova
National Medical Research Centre of Oncology n.a. N. N. Blokhin; Russian Medical Academy for Continuing Professional Education
Russian Federation

Malikhova Olga A., DM Sci (habil.), endoscopist, head of Endoscopy Dept of Research Institute of Clinical Oncolog , professor at Dept of Oncology and Palliative Medicine n. a. A. I. Savitsky

Moscow