1. Institute of Dentistry, Department of Dental Prophylaxis and Experimental Dentistry; Jagiellonian University Medical College; Cracow Poland
2. Department of Internal and Agricultural Medicine; Jagiellonian University Medical College; Cracow Poland
3. Institute of Cardiovascular and Medical Sciences; University of Glasgow; Glasgow UK
4. Zbigniew Żak Voivodeship Dental Clinic; Cracow Poland
5. Infection and Immunity Research Group, Glasgow Dental School; University of Glasgow; Glasgow UK