Predicting progression in Parkinson's Disease using baseline and 1-year change measures.

Chahine LM, Siderowf A, Barnes J, Seedorff N, Caspell-Garcia C, Simuni T, Coffey CS, Galasko D, Mollenhauer B, Arnedo V, Daegle N, Frasier M, Tanner C, Kieburtz K, Marek K, and the Parkinson's Progression Markers Initiative (2019).