E. S. Ovsyankina
Central Research Institute of Tuberculosis
Russian Federation

Elena S. Ovsyankina - Dr. Sci. (Med.), Professor, Chief Researcher, Head of Children and Adolescents Department, Central Research Institute of Tuberculosis.

2, Yauskaya Alley, Moscow, 107564

L. V. Panova
Central Research Institute of Tuberculosis
Russian Federation

Lyudmila V. Panova - Dr. Sci. (Med.), Leading Research Associate, Department of Pediatric & Adolescent Medicine, Central Research Institute of Tuberculosis.

2, Yauskaya Alley, Moscow, 107564

I. N. Zakharova
Russian Medical Academy of Continuous Professional Education
Russian Federation

Irina N. Zakharova - Dr. Sci. (Med.), Professor, Honoured Doctor of the Russian Federation, Head of the Department of Pediatrics named after Academician G.N. Speransky, Russian Medical Academy of Continuous Professional Education.

2/1, Bldg. 1, Barrikadnaya St., Moscow, 125993