2Alves G,Forsaa EB,Pedersen KF,et al.Epidemiology of Parkinson’s disease.J Neurol,2008,255(Suppl 5):18-32.
3Braak H,Del T K,Rub U,et al.Staging of brain pathology related to sporadic Parkinson's disease.Neurobiol Aging,2003,24(2):197-211.
4Barone P,Antonini A,Colosimo C,et al.The PRIAMO study:A multicenter assessment of nonmotor symptoms and their impact on quality of life in Parkinson's disease..Mov Disord,2009,24(11):1641-1649.
6Aarsland D,Pahlhagen S,Ballard CG,et al.Depression in Parkinson disease--epidemiology,mechanisms and management..Nat Rev Neurol,2012,8(1):35-47.
7Claassen DO,Josephs KA,Ahlskog J E,et al.REM sleep behavior disorder preceding other aspects of synucleinopathies by up to half a century..Neurology,2010,75(6):494-499.
8Bonnet AM,Jutras MF,Czernecki V,et al.Nonmotor symptoms in Parkinson's disease in 2012:relevant clinical aspects.Parkinsons Dis,2012,2012:198316.
9Kostic VS,Pekmezovic T,Tomic A,et al.Suicide and suicidal ideation in Parkinson's disease.J Neurol Sci,2010,289(1-2):40-43.
10Storch A,Schneider C B,Wolz M,et al.Nonmotor fluctuations in Parkinson disease:severity and correlation with motor complications.Neurology,2013,80(9):800-809.