Neuronally derived extracellular vesicle α-synuclein as a serum biomarker for individuals at risk of developing Parkinson disease by Yan, S, Jiang, C, Janzen, A, Barber, TR, Seger, A, Sommerauer, M, Davis, JJ, Marek, K, Hu, MT, Oertel, WH, Tofaris, GK

Olfactory testing in Parkinson disease and REM behavior disorder: A machine learning approach by Lo, C, Arora, S, Ben-Shlomo, Y, Barber, TR, Lawton, M, Klein, JC, Kanavou, S, Janzen, A, Sittig, E, Oertel, WH, Grosset, DG, Hu, MT