1. Doctoral School of Health Sciences, Faculty of Health Science, University of Pẻcs, 7621 Pẻcs, Hungary
2. Department of Public Health Medicine, Medical School, University of Pẻcs, 7621 Pẻcs, Hungary
3. Department of Vegetable and Mushroom Growing, Hungarian University of Agriculture and Life Sciences, 1118 Budapest, Hungary
4. Department of Biological Sciences, Egerton University, Nakuru P.O. Box 3366-20100, Kenya
5. Faculty of Health Sciences, University of Pécs, 7621 Pécs, Hungary