T. M. Doan
Phenikaa University
Viet Nam

Doan Thi Mai - PhD in Economics, Senior Lecturer at the Faculty of Medicine

Yen Nghia Ward, Ha Dong District, Hanoi city 100803

O. G. Krest'yaninova
North-Western State Medical University named after I. I. Mechnikov
Russian Federation

Ol'ga G. Krest'yaninova - PhD in Economics, Senior Lecturer at the Department of Public Health and Health Management

41 Kirochnaya St., St. Petersburg 191015

V. A. Plotnikov
St. Petersburg State University of Economics; St. Petersburg University of Management Technologies and Economics
Russian Federation

Vladimir A. Plotnikov - D.Sc. in Economics, Professor, Professor at the Department of General Economic Theory and the History of Economic Thought, St. Petersburg State University of Economics; Professor at the Department of Management and State and Municipal Administration, St. Petersburg University of Management Technologies and Economics

21 Sadovaya St., St. Petersburg 191023

44A Lermontovskiy Ave., St. Petersburg 190103