1. Medical Faculty, University of Rzeszow, Rzeszow, Poland;
2. Department of Pediatrics, Pediatric Endocrinology and Diabetes, Medical University of Silesia, Katowice, Poland;
3. Centre de Perharidy, Roscoff, France;
4. National Medical University Danylo Halytskiy, Lviv, Ukraine;
5. Department of Gastroenterology, Hepatology, and Immunology, Children Memorial Health Institute, Warsaw, Poland;
6. Nutrition Unit of Prevention, ASLBR, Brindisi, Italy;
7. Department of Pediatrics, AI DuPont Hospital for Children, Wilmington, Delaware
8. Medical College of Wisconsin, Milwaukee, Wisconsin; and