1 Department of Preventive Cardiology and Lipidology, Medical University of Lodz (MUL), Rzgowska 281/289, Lodz 93-338, Poland.
2 Cardiovascular Research Centre, University of Zielona Gora, Zyty 28, Zielona Gora 65-417, Poland.
3 Department of Cardiology and Congenital Diseases of Adults, Polish Mother's Memorial Hospital Research Institute (PMMHRI), Rzgowska 281/289, Lodz 93-338, Poland.
4 Ciccarone Center for the Prevention of Cardiovascular Disease, Johns Hopkins University School of Medicine, 600 N. Wolfe St, Carnegie 565-G, Baltimore, MD 21287, USA.
5 Polish Lipid Association (PoLA), Sterlinga 27/29/205; 90-212 Lodz, Poland.
6 Faculty of Medical Sciences in Katowice, Medical University of Silesia, Medyków 18, Katowice 40-752, Poland.