1. UNIVERSITY OF GOTHENBURG, GOTHENBURG, SWEDEN; BORIS GRINCHENKO KYIV UNIVERSITY, KYIV, UKRAINE
2. NATIONAL UNIVERSITY OF PHYSICAL EDUCATION AND SPORTS OF UKRAINE, KYIV, UKRAINE
3. NATIONAL MEDICAL UNIVERSITY NAMED AFTER A. BOGOMOLETS, KYIV, UKRAINE
4. I. HORBACHEVSKY TERNOPIL NATIONAL MEDICAL UNIVERSITY, TERNOPIL, UKRAINE