Espay A, Kalia L, Gan-Or Z, Williams-Gray C, Bedard P, Rowe S, Morgante F, Fasano A, Stecher B, Kauffman M, Farrer M, Coffey C, Schwarzschild M, Sherer T, Postuma R, Strafella A, Singleton A, Barker R, Kieburtz K, Olanow C, Lozano A, Kordower J, Cedarbaum J, Brundin P, Standaert D, Lang A. Disease modification and biomarker development in Parkinson disease: Revision or reconstruction? Neurology 2020, 94: 481-494. PMID: 32102975, PMCID: PMC7220234, DOI: 10.1212/wnl.0000000000009107.Peer-Reviewed Original Research