Table 1.

Search strategy.

anorexia*.mp. OR ANOREXIA NERVOSA/ or ANOREXIA/ OR bulimia*.mp. OR BULIMIA NERVOSA/ or BULIMIA OR eating disorder*.mp. OR “Feeding and Eating Disorders” OR binge eating*.mp. OR Bulimia/
AND
autism*.mp. OR Autistic Disorder OR ASD*.mp. OR Autism Spectrum Disorder/ or Autistic Disorder/ OR Asperger*.mp. OR Autism Spectrum Disorder/ or Autistic Disorder/ or ASPERGER SYNDROME/	OR	attention deficit*.mp. OR Attention Deficit Disorder with Hyperactivity OR attention deficit hyperactivity disorder*.mp. OR ADHD*.mp.
AND
epidemiology*.mp. OR EPIDEMIOLOGY/ OR incidence*.mp. OR INCIDENCE/ OR prevalence*.mp. OR PREVALENCE/ OR comorbidity*.mp. OR COMORBIDITY/ OR frequency*.mp. OR frequency.mp. OR occurence*.mp. OR occurence.mp.

mp = title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept word, rare disease supplementary concept word, unique identifier, synonyms.