1. A method for automated diagnosis of attention deficit hyperactivity disorder (ADHD), comprising: extracting anatomical features from a structural magnetic resonance image (MRI) of a patient; extracting functional features from a resting-state functional MRI (rsFMRI) series of the patient; and determining an ADHD diagnosis for the patient based on the anatomical features, the functional features, and phenotypic features of the patient using a trained classifier.