1. Department of Public Health, Institute of Health Sciences, Faculty of Medicine Vilnius University Vilnius Lithuania
2. Medical Academy Lithuanian University of Health Sciences Kaunas Lithuania
3. Child Health University of Aberdeen Aberdeen UK
4. Department of Rehabilitation, Physical and Sports Medicine, Institute of Health Sciences, Faculty of Medicine Vilnius University Vilnius Lithuania
5. Department of Neonatology Shupyk National Healthcare University Kyiv Ukraine
6. Clinic of Children's Diseases, Institute of Clinical Medicine, Faculty of Medicine Vilnius University Vilnius Lithuania
7. Department of Pathology, Forensic Medicine and Pharmacology, Institute of Biomedical Sciences, Faculty of Medicine Vilnius University Vilnius Lithuania