PANK2 and Parkinson disease: - Developed specifically for PKAN - Adapted from UPDRS, MDS-UPDRS, UMSARS, BFMDRS, Ashworth Scale - 34 items (maximal score 135) - Encompasses 6 subscales for cognition, behavior, disability, parkinsonism, dystonia, and other neurological signs - Includes both motor and non-motor aspects