1. Department of Internal Medicine I, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovak Republic
2. Oncology Centre, Teaching Hospital Martin, Martin, Slovak Republic
3. Department of Hematology and Transfusiology, National Centre of Hemostasis and Thrombosis, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovak Republic
4. Department of Cardiology, Teaching Hospital Nitra, Nitra, Slovak Republic
5. Department of Medical Biology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovak Republic
6. Department of Dermatovenerology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovak Republic
7. Department of Infectology and Travel Medicine, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovak Republic
8. Division of Acute and Interventional Cardiology, Department of Cardiology and Angiology II, Mid-Slovakian Institute of Heart and Vessel Diseases (SÚSCCH, a.s.), Banská Bystrica, Slovak Republic