Korzeniewski, Krzysztof, Head of Epidemiology and Tropical Medicine Department in Gdynia, Military Institute of Medicine, Warsaw, Poland Korzeniewski, Krzysztof, Department of Epidemiology and Tropical Medicine in Gdynia, Military Institute of Medicine, Warsaw, Poland Korzeniewski, Krzysztof Korzeniewski, Krzysztof, Department of Epidemiology and Tropical Medicine, Military Institute of Medicine, Warsaw, Poland Korzeniewski, Krzysztof, Head of Department of Epidemiology and Tropical Medicine, Military Institute of Medicine, Warsaw, Poland Korzeniewski, Krzysztof, Department of Epidemiology and Tropical Medicine; Military Institute of Medicine, Warsaw, Poland (Poland) Korzeniewski, Krzysztof, Department of Epidemiology and Tropical Medicine, Military Institute of Medicine, Warsaw, Poland Korzeniewski, Krzysztof Kostara, Elina Kostromin, Pavel Kot, Jacek Kot, Jacek, National Centre for Hyperbaric Medicine, Institute of Maritime and Tropical Medicine, Medical University of Gdansk, Poland Kot, Jacek (Poland) Kot, Jacek Kotłowski, Andrzej Kotłowski, Andrzej Koussounis, Alexandros, Department of Hygiene, Epidemiology, and Medical Statistics, Athens University Medical School, Athens, Greece Kovacs, Christopher R. Kovalchuk, Lina Kowalczyk, Danuta Kowalczyk, Danuta Kowalik, Artur Kowalska, Ewa, District Sanitary-Epidemiological Station in Łódź Kowalska, Maria Kołodziej, Daria