Medline ‐ Ovid MEDLINE(R) and Ovid OLDMEDLINE(R) 1947 to Present with Daily Update (Searched 18/10/2013)

1. randomized controlled trial.pt. 2. controlled clinical trial.pt. 3. randomized.ab. 4. placebo.ab. 5. clinical trials as topic.sh. 6. randomly.ab. 7. trial.ti. 8. 1 or 2 or 3 or 4 or 5 or 6 or 7 9. (animals not (humans and animals)).sh. 10. 8 not 9 11. exp Child/ 12. ADOLESCENT/ 13. exp infant/ 14. child hospitalized/ 15. adolescent hospitalized/ 16. (child$ or infant$ or toddler$ or adolescen$ or teenage$).tw. 17. or/11‐16 18. Child Nutrition Sciences/ 19. exp Dietary Proteins/ 20. Dietary Supplements/ 21. Dietetics/ 22. or/18‐21 23. exp Infant, Newborn/ 24. exp Overweight/ 25. exp Eating Disorders/ 26. Athletes/ 27. exp Sports/ 28. exp Pregnancy/ 29. exp Viruses/ 30. (newborn$ or obes$ or eating disorder$ or pregnan$ or childbirth or virus$ or influenza).tw. 31. or/23‐30 32. 10 and 17 and 22 33. 32 not 31