Projected number of people with Parkinson’s disease in the most populous nations, 2005 through 2030 - Dorsey, ER; Constantinescu, R; Thompson, JP; Biglan, KM; Holloway, RG; Kieburtz, K; Marshall, FJ; Ravina, BM; Schifitto, G; Siderowf, A; Tanner, CM (Neurology., 2007)