1. Department of Microbiology; Jan Kochanowski University; Swietokrzyska 15 25-406 Kielce Poland
2. Institute of Organic Chemistry; Lodz University of Technology; Zeromskiego 116 90-924 Lodz Poland
3. Department of Probability and Statistics; Jan Kochanowski University; Swietokrzyska 15 25-406 Kielce Poland
4. Swietokrzyskie Rheumatology Center; St. Luke Specialized Hospital; Gimnazjalna 41B 26-200 Konskie Poland