* Preface: Szajewska, H.; Shamir, R.; Methodological Considerations; * Importance of Systematic Reviews and Meta-Analyses in Pediatric Nutrition: Szajewska, H.; * Strengths and Weaknesses of Observational Nutritional Studies: Patro-Golab, B.; Szajewska, H.; * Scientific Standards for Human Intervention Trials Evaluating Health Benefits of Foods, and Their Application to Infants, Children and Adolescents: Woodside, J.V.; Koletzko, B.V.; Patterson, C.C.; Welch, R.W.; Impact of Early Nutrition on Later Outcomes; * Early Nutrition and Health: Short- and Long-Term Outcomes: Gruszfeld, D.; Socha, P.; Issues in Infant Feeding; * Probiotics, Prebiotics, and Dietary Fiber in the Management of Functional Gastrointestinal Disorders: Horvath, A.; Szajewska, H.; * Growing-Up Milk: A Necessity or Marketing? Przyrembel, H.; Agostoni, C.; * Cow's Milk and Goat's Milk: Turck, T.; * The Timing of Introduction of Complementary Foods and Later Health: Agostoni, C.; Przyrembel, H.; * Dietary Interventions for Primary Allergy Prevention - What Is the Evidence? von Berg, A.; * Vitamin and Mineral Supplementation of Term Infants: Are They Necessary? Lubetzky, R.; Mandel, D.; Mimouni, F.B.; Issues in Nutrition of Children; * Enteral Nutrition: Kolacek, S.; * Celiac Disease - Prevention Strategies through Early Infant Nutrition: Chmielewska, A.; Szajewska, H.; Shamir, R.; * Interventions for Treating Obesity in Children: De Miguel-Etayo, P.; Bueno, G.; Garagorri, J.M.; Moreno, L.A.