A. E. Karelov
North-Western State Medical University named after I.I. Mechnikov
Russian Federation

Aleksei Е. Karelov, Dr. Sci. (Med.), Head of Pain Management Committee of Russian Federation of Anaesthesiologists and Reanimatologists,
Professor of the Department of Anesthesiology and Intensive Care named after V.L. Vanevsky, Chair of Pain Management Center

41, Kirochnaya St., St Petersburg, 191015, Russia 

A. A. Ryazankina
North-Western State Medical University named after I.I. Mechnikov$ Petrov National Medical Cancer Research Centre
Russian Federation

Alla А. Ryazankina, Chief freelance specialist of the North-Western Federal District for Palliative Care, Associate Professor of the Department
of Oncology; Researcher of the Scientific Department of Anesthesiology, Intensive Care and Algology

41, Kirochnaya St., St Petersburg, 191015, Russia

68, Leningradskaya St., Pesochnyy Settlement, St Petersburg, 197758, Russia 

V. A. Semkichev
North-Western State Medical University named after I.I. Mechnikov
Russian Federation

Vladimir А. Semkichev, Cand. Sci. (Med.), Associate Professor of the Department of Anesthesiology and Intensive Care named after V.L. Vanevsky

41, Kirochnaya St., St Petersburg, 191015, Russia 

D. A. Karelov
St Petersburg State Pediatric Medical University
Russian Federation

Dmitrii А. Karelov, Student

2, Litovskaya St., St Petersburg, 194100, Russia 

D. V. Zabolotskii
St Petersburg State Pediatric Medical University
Russian Federation

Dmitry V. Zabolotskii, Dr. Sci. (Med.), Head of the Department of  Anesthesiology, Intensive Care and Emergency Pediatrics named after V.I. Gordeev

2, Litovskaya St., St Petersburg, 194100, Russia 

S. A. Kulyova
Petrov National Medical Cancer Research Centre; St Petersburg State Pediatric Medical University
Russian Federation

Svetlana А. Kulyova, Dr. Sci. (Med.), Chief Pediatric Oncologist of the St. Petersburg Health Committee, Leading Researcher of the Scientific
Department of Innovative Methods of Therapeutic Oncology and Rehabilitation, Head of the Pediatric Oncology Department; Head of the Department of Oncology, Pediatric Oncology and Radiation Therapy

68, Leningradskaya St., Pesochnyy Settlement, St Petersburg, 197758, Russia;

2, Litovskaya St., St Petersburg, 194100, Russia