Authors
Sylwia I. Szafraniec-Burylo
National Institute of Public Health - National Institute of Hygiene, Warsaw

© 2017 Renata Koc, Sylwia I. Szafraniec-Burylo, Ewa Prokurat, Artur Prusaczyk, Pawel Zuk, Izabela Sakowska, Aleksandra S. Prusaczyk, Marika Guzek, Jolanta Banasiewicz, Ewa Dmoch-Gajzlerska, published by Ubiquity Press
This work is licensed under the Creative Commons Attribution 4.0 License.