1. R&D Division, Gardena, CA, USA
2. Faculty of Health Studies, University of Rijeka, Rijeka, Croatia
3. Faculty of Medicine, Juraj Dobrila University of Pula, Pula, Croatia
4. Teaching Institute for Public Health of Primorsko-Goranska County, Rijeka, Croatia
5. Faculty of Medicine, University of Rijeka, Rijeka, Croatia