1. Department of General Practice-Family Medicine, Phthisiology and Pulmonology, Kharkiv Mediсal Aсademy of Postgraduate Eduсation, Kharkiv, Ukraine; Department of Infectious Diseases and Clinical Immunology, V. N. Karazin Kharkiv National University, Kharkiv, Ukraine
2. Department of Internal Medicine, V. N. Karazin Kharkiv National University, Kharkiv, Ukraine
3. Department of Internal Medicine with the Center of Respiratory Medicine, Sumy State University, Sumy, Ukraine
4. Department of General Practice-Family Medicine, Phthisiology and Pulmonology, Kharkiv Mediсal Aсademy of Postgraduate Eduсation, Kharkiv, Ukraine