A. A. Vizel’
Kazan’ State Medical University, Healthcare Ministry of Russia
Russian Federation

Doctor of Medicine, Professor, Head of Department of Phthisiology and Pulmonology,

ul. Butlerova 49, Kazan', 420012, Tatarstan Republic

I. Yu. Vizel’
Kazan’ State Medical University, Healthcare Ministry of Russia; Federal State Budgetary Scientific Institution «Central Research Institute of Tuberculosis»
Russian Federation

Doctor of Medicine, Professor, Russian Academy of Natural Sciences, Associate Professor, Department of Phthisiology and Pulmonology, ul. Butlerova 49, Kazan', 420012, Tatarstan Republic;

Researcher, Yauzskaya alleya 2, Moskow, 107564

G. R. Shakirova
Kazan’ State Medical University, Healthcare Ministry of Russia; Republican Clinical Hospital of the Ministry of Health of the Republic of Tatarstan
Russian Federation

Candidate of Medicine, Assistant Lecturer, Department of Phthisiology and Pulmonology, ul. Butlerova 49, Kazan', 420012, Tatarstan Republic;

Pulmonologist, Orenburg tract 138, Kazan, 420064, Tatarstan Republic