1. Park JH, Kang YJ, Horak FB. What is wrong with balance in Parkinson's disease? J Mov Disord. 2015; 8:109–114. PMID:
26413237.
Article
2. Kerr GK, Worringham CJ, Cole MH, Lacherez PF, Wood JM, Silburn PA. Predictors of future falls in Parkinson disease. Neurology. 2010; 75:116–124. PMID:
20574039.
Article
3. Stolze H, Klebe S, Zechlin C, Baecker C, Friege L, Deuschl G. Falls in frequent neurological diseases--prevalence, risk factors and aetiology. J Neurol. 2004; 251:79–84. PMID:
14999493.
4. Lauritzen JB. Hip fractures: incidence, risk factors, energy absorption, and prevention. Bone. 1996; 18(1 Suppl):65S–75S. PMID:
8717550.
Article
5. Lauritzen JB, McNair PA, Lund B. Risk factors for hip fractures. A review. Dan Med Bull. 1993; 40:479–485. PMID:
8222767.
6. Kanis J, Johnell O, Gullberg B, Allander E, Elffors L, Ranstam J, et al. Risk factors for hip fracture in men from southern Europe: the MEDOS study. Mediterranean Osteoporosis Study. Osteoporos Int. 1999; 9:45–54. PMID:
10367029.
7. Abou-Raya S, Helmii M, Abou-Raya A. Bone and mineral metabolism in older adults with Parkinson’s disease. Age Ageing. 2009; 38:675–680. PMID:
19684354.
Article
8. Taggart H, Crawford V. Reduced bone density of the hip in elderly patients with Parkinson’s disease. Age Ageing. 1995; 24:326–328. PMID:
7484491.
Article
9. Jaafar AF, Gray WK, Porter B, Turnbull EJ, Walker RW. A cross-sectional study of the nutritional status of community-dwelling people with idiopathic Parkinson's disease. BMC Neurol. 2010; 10:124. PMID:
21192784.
Article
10. Walker RW, Chaplin A, Hancock RL, Rutherford R, Gray WK. Hip fractures in people with idiopathic Parkinson's disease: incidence and outcomes. Mov Disord. 2013; 28:334–340. PMID:
23389925.
Article
11. Chen YY, Cheng PY, Wu SL, Lai CH. Parkinson's disease and risk of hip fracture: an 8-year follow-up study in Taiwan. Parkinsonism Relat Disord. 2012; 18:506–509. PMID:
22297125.
Article
12. Mactier K, Lord S, Godfrey A, Burn D, Rochester L. The relationship between real world ambulatory activity and falls in incident Parkinson's disease: influence of classification scheme. Parkinsonism Relat Disord. 2015; 21:236–242. PMID:
25572498.
Article
13. Lee YH, Han K, Ko SH, Ko KS, Lee KU. Taskforce Team of Diabetes Fact Sheet of the Korean Diabetes Association. Data analytic process of a nationwide population-based study using national health information database established by National Health Insurance Service. Diabetes Metab J. 2016; 40:79–82. PMID:
26912157.
Article
14. Joutsa J, Gardberg M, Röyttä M, Kaasinen V. Diagnostic accuracy of parkinsonism syndromes by general neurologists. Parkinsonism Relat Disord. 2014; 20:840–844. PMID:
24816002.
Article
15. Hughes AJ, Daniel SE, Ben-Shlomo Y, Lees AJ. The accuracy of diagnosis of parkinsonian syndromes in a specialist movement disorder service. Brain. 2002; 125:861–870. PMID:
11912118.
Article
16. Koga S, Aoki N, Uitti RJ, van Gerpen JA, Cheshire WP, Josephs KA, et al. When DLB, PD, and PSP masquerade as MSA: an autopsy study of 134 patients. Neurology. 2015; 85:404–412. PMID:
26138942.
17. De Laet C, Kanis JA, Odén A, Johanson H, Johnell O, Delmas P, et al. Body mass index as a predictor of fracture risk: a meta-analysis. Osteoporos Int. 2005; 16:1330–1338. PMID:
15928804.
Article
18. Anuurad E, Shiwaku K, Nogi A, Kitajima K, Enkhmaa B, Shimono K, et al. The new BMI criteria for asians by the regional office for the western pacific region of WHO are suitable for screening of overweight to prevent metabolic syndrome in elder Japanese workers. J Occup Health. 2003; 45:335–343. PMID:
14676412.
Article
19. Wu CY, Hu HY, Pu CY, Huang N, Shen HC, Li CP, et al. Pulmonary tuberculosis increases the risk of lung cancer: a population-based cohort study. Cancer. 2011; 117:618–624. PMID:
20886634.
20. Kripke DF, Langer RD, Kline LE. Hypnotics' association with mortality or cancer: a matched cohort study. BMJ Open. 2012; 2:e000850.
Article
21. Rim TH, Kim DW, Han JS, Chung EJ. Retinal vein occlusion and the risk of stroke development: a 9-year nationwide population-based study. Ophthalmology. 2015; 122:1187–1194. PMID:
25726093.
22. Spillantini MG, Schmidt ML, Lee VM, Trojanowski JQ, Jakes R, Goedert M. Alpha-synuclein in Lewy bodies. Nature. 1997; 388:839–840. PMID:
9278044.
23. Adler CH, Beach TG, Hentz JG, Shill HA, Caviness JN, Driver-Dunckley E, et al. Low clinical diagnostic accuracy of early vs advanced Parkinson disease: clinicopathologic study. Neurology. 2014; 83:406–412. PMID:
24975862.
Article
24. Rajput AH, Rajput A. Accuracy of Parkinson disease diagnosis unchanged in 2 decades. Neurology. 2014; 83:386–387. PMID:
24975858.
Article
25. Rizzo G, Copetti M, Arcuti S, Martino D, Fontana A, Logroscino G. Accuracy of clinical diagnosis of Parkinson disease: a systematic review and meta-analysis. Neurology. 2016; 86:566–576. PMID:
26764028.
26. Seo WK, Koh SB, Kim BJ, Yu SW, Park MH, Park KW, et al. Prevalence of Parkinson's disease in Korea. J Clin Neurosci. 2007; 14:1155–1157. PMID:
17884509.
Article
27. Ho SC, Woo J, Lee CM. Epidemiologic study of Parkinson's disease in Hong Kong. Neurology. 1989; 39:1314–1318. PMID:
2797455.
Article
28. Okada K, Kobayashi S, Tsunematsu T. Prevalence of Parkinson's disease in Izumo City, Japan. Gerontology. 1990; 36:340–344. PMID:
2076832.
Article
29. Tan LC, Venketasubramanian N, Hong CY, Sahadevan S, Chin JJ, Krishnamoorthy ES, et al. Prevalence of Parkinson disease in Singapore: Chinese vs Malays vs Indians. Neurology. 2004; 62:1999–2004. PMID:
15184604.
Article
30. Yamawaki M, Kusumi M, Kowa H, Nakashima K. Changes in prevalence and incidence of Parkinson's disease in Japan during a quarter of a century. Neuroepidemiology. 2009; 32:263–269. PMID:
19209006.
Article
31. Savica R, Grossardt BR, Bower JH, Ahlskog JE, Rocca WA. Time Trends in the Incidence of Parkinson Disease. JAMA Neurol. 2016; 73:981–989. PMID:
27323276.
Article
32. Schneider JL, Fink HA, Ewing SK, Ensrud KE, Cummings SR. Study of Osteoporotic Fractures (SOF) Research Group. The association of Parkinson's disease with bone mineral density and fracture in older women. Osteoporos Int. 2008; 19:1093–1097. PMID:
18301855.
Article
33. Kannus P, Parkkari J, Sievänen H, Heinonen A, Vuori I, Järvinen M. Epidemiology of hip fractures. Bone. 1996; 18(1 Suppl):57S–63S. PMID:
8717549.
Article
34. Bachmann CG, Trenkwalder C. Body weight in patients with Parkinson's disease. Mov Disord. 2006; 21:1824–1830. PMID:
16958133.
Article
35. Chen H, Zhang SM, Hernán MA, Willett WC, Ascherio A. Weight loss in Parkinson's disease. Ann Neurol. 2003; 53:676–679. PMID:
12731005.
Article
36. Beyer PL, Palarino MY, Michalek D, Busenbark K, Koller WC. Weight change and body composition in patients with Parkinson's disease. J Am Diet Assoc. 1995; 95:979–983. PMID:
7657912.
Article
37. Akbar U, He Y, Dai Y, Hack N, Malaty I, McFarland NR, et al. Weight loss and impact on quality of life in Parkinson's disease. PLoS One. 2015; 10:e0124541. PMID:
25938478.
Article
38. Voss TS, Elm JJ, Wielinski CL, Aminoff MJ, Bandyopadhyay D, Chou KL, et al. Fall frequency and risk assessment in early Parkinson's disease. Parkinsonism Relat Disord. 2012; 18:837–841. PMID:
22542094.
Article
39. Hariz GM, Forsgren L. Activities of daily living and quality of life in persons with newly diagnosed Parkinson's disease according to subtype of disease, and in comparison to healthy controls. Acta Neurol Scand. 2011; 123:20–27. PMID:
20199514.
Article
40. Song J, Sigward S, Fisher B, Salem GJ. Altered dynamic postural control during step turning in persons with early-stage Parkinson's disease. Parkinsons Dis. 2012; 2012:386962. PMID:
22518349.
Article