| Authors: |
Pancheva-Dimitrova R; Department of Hygiene and Epidemiology, Faculty of Public Health, 'Prof. Dr. Paraskev Stoyanov' Medical University, Varna, Bulgaria.; Research Group NutriLect, Department of Neuroscience, Research Institute, 'Prof. Dr. Paraskev Stoyanov' Medical University , Varna, Bulgaria., Braykova R; Department of Hygiene and Epidemiology, Faculty of Public Health, 'Prof. Dr. Paraskev Stoyanov' Medical University, Varna, Bulgaria. rozalinabra@abv.bg.; Research Group NutriLect, Department of Neuroscience, Research Institute, 'Prof. Dr. Paraskev Stoyanov' Medical University , Varna, Bulgaria. rozalinabra@abv.bg., Toneva A; Department of Hygiene and Epidemiology, Faculty of Public Health, 'Prof. Dr. Paraskev Stoyanov' Medical University, Varna, Bulgaria.; Research Group NutriLect, Department of Neuroscience, Research Institute, 'Prof. Dr. Paraskev Stoyanov' Medical University , Varna, Bulgaria., Ahmed F; Department of Hygiene and Epidemiology, Faculty of Public Health, 'Prof. Dr. Paraskev Stoyanov' Medical University, Varna, Bulgaria., Iotova V; Department of Pediatrics, 'Prof. Dr. Paraskev Stoyanov' Medical University, Varna, Bulgaria. |