1. 2Lithuanian University of Health Sciences, Academy of Medicine, Institute of Cardiology, Laboratory of Population Studies, Sukileliu str. 17, LT-50009, Kaunas, Lithuania
2. 1Laboratory of Physical Activity Epidemiology, Lithuanian Sports University, Sporto str. 6, LT-44221, Kaunas, Lithuania
3. 3Department of Epidemiology and Public Health, University College London, 1 - 19 Torrington Place, London, WC1E 7HB, UK