<unk>  (chronic)<unk>  or<unk> <unk><unk>  is characterized by single or multiple<unk>  or<unk> <unk> s that wax and wane in frequency for at least 1 year.
Persistent motor or vocal tic disorder
Conditions comorbid to autism spectrum disorders
Provisional tic disorder
ADHD predominantly inattentive
Attention-deficit hyperactivity disorder differential diagnosis
Learning problems in childhood cancer
Pragmatic language impairment
Avoidant or restrictive food intake disorder