ALEKSANDRA RAJNISZ, ADAM GUŚPIEL, MAGDALENA POSTEK, JOANNA ZIEMSKA, ANNA LASKOWSKA, DANIEL RABCZENKO and JOLANTA SOLECKA* National Institute of Public Health- National Institute of Hygiene, Warsaw, Poland *Corresponding author: J. Solecka, National Institute of Public Health- National Institute of Hygiene, Warsaw, Poland; e-mail: jsolecka@pzh.gov.pl Submitted 3 June 20...