Medline	PsycInfo	Embase
1. exp Eating Disorders/ 2. Anorexia/ or Anorexia Nervosa/ 3. 1 or 2 4. Family Therapy/ 5. family therap$.tw. 6. family based therap$.tw. 7. family‐based therap$.tw. 8. systems therap$.tw. 9. family system$ therap$.tw. 10. family treatment$.tw. 11. family intervention$.tw. 12. or/4‐11 13. 3 and 12 14. clinical trial.pt. 15. clinical trial$.mp. 16. random$.mp. 17. placebo.ti,ab. 18. groups.ti,ab. 19. or/14‐18 20. 13 and 19	1. exp Eating Disorders/ 2. Anorexia Nervosa/ 3. 1 or 2 4. Family Therapy/ 5. Family Intervention/ 6. Conjoint Therapy/ 7. family therap$.tw. 8. family based therap$.tw. 9. family‐based therap$.tw. 10. systems therap$.tw. 11. family system$ therap$.tw. 12. family treatment$.tw. 13. family intervention$.tw. 14. conjoint therap$.tw. 15. or/4‐14 16. 3 and 15 17. Clinical Trials/ 18. controlled trial$.tw. 19. (controlled studies or controlled study).tw. 20. random$.tw. 21. Random Sampling/ 22. ((singl$ or doubl$ or trebl$ or tripl$) adj5 (blind$ or dummy or mask$)).tw. 23. placebo$.mp. 24. or/17‐23 25. 16 and 24	1. exp Eating Disorders/ 2. Anorexia Nervosa/ 3. 1 or 2 4. Family Therapy/ 5. Family Intervention/ 6. family therap$.tw. 7. family based therap$.tw. 8. family‐based therap$.tw. 9. systems therap$.tw. 10. family system$ therap$.tw. 11. family treatment$.tw. 12. family intervention$.tw. 13. conjoint therap$.tw. 14. or/4‐13 15. exp controlled study/ 16. (controlled trial$ or controlled study or controlled studies).tw. 17. exp clinical trial/ 18. (clinical trial$ or clinical study or clinical studies).tw. 19. random$.tw. 20. single blind procedure/ 21. double blind procedure/ 22. ((singl$ or doubl$ or trebl$ or tripl$) adj (blind$ or mask$ or dummy)).tw. 23. placebo$.mp. 24. or/15‐23 25. 3 and 4 and 24