Capecci M, Petrelli M, Emanuelli B, Millevolte M, Nicolai A, Provinciali L, et al. Rest energy expenditure in Parkinson’s disease: role of disease progression and dopaminergic therapy. Parkinsonism Relat Disord. 2013;19(2):238-41.

Barichella M, Cereda E, Pezzoli G. Major nutritional issues in the management of Parkinson’s disease. Mov Disord. 2009;24(13):1881-92.

Cushing ML, Traviss KA, Calne SM. Parkinson’s disease: implications for nutritional care. Can J Diet Pract Res. 2002;63(2):81-7.

Budrewicz S, Zmarzly A, Raczka D, Szczepanska A, Koziorowska-Gawron E, Slotwinski K, et al. Clinical and nutritional correlations in Parkinson’s disease: Preliminary report. Adv Clin Exp Med. 2019;28(2):193-8.

Paul BS, Singh T, Paul G, Jain D, Singh G, Kaushal S, et al. Prevalence of Malnutrition in Parkinson’s Disease and Correlation with Gastrointestinal Symptoms. Ann Indian Acad Neurol. 2019;22(4):447-52.

Roos DS, Oranje OJM, Freriksen AFD, Berendse HW, Boesveldt S. Flavor perception and the risk of malnutrition in patients with Parkinson’s disease. J Neural Transm (Vienna). 2018;125(6):925-30.

Tomic S, Pekic V, Popijac Z, Pucic T, Petek M, Kuric TG, et al. What increases the risk of malnutrition in Parkinson’s disease? J Neurol Sci. 2017;375:235-8.

Kim SR, Chung SJ, Yoo SH. Factors contributing to malnutrition in patients with Parkinson’s disease. Int J Nurs Pract. 2016;22(2):129-37.

van Steijn J, van Harten B, Flapper E, Droogsma E, van Walderveen P, Blaauw M, et al. The nutritional status of Dutch elderly patients with Parkinson’s disease. J Nutr Health Aging. 2014;18(6):601-7.

Laudisio A, Vetrano DL, Meloni E, Ricciardi D, Franceschi F, Bentivoglio AR, et al. Dopaminergic agents and nutritional status in Parkinson’s disease. Mov Disord. 2014;29(12):1543-7.

Fereshtehnejad SM, Ghazi L, Sadeghi M, Khaefpanah D, Shahidi GA, Delbari A, et al. Prevalence of malnutrition in patients with Parkinson’s disease: a comparative study with healthy controls using Mini Nutritional Assessment (MNA) questionnaire. J Parkinsons Dis. 2014;4(3):473-81.

Sheard JM, Ash S, Mellick GD, Silburn PA, Kerr GK. Malnutrition in a sample of community-dwelling people with Parkinson’s disease. PLoS One. 2013;8(1):e53290.

Barichella M, Cereda E, Madio C, Iorio L, Pusani C, Cancello R, et al. Nutritional risk and gastrointestinal dysautonomia symptoms in Parkinson’s disease outpatients hospitalised on a scheduled basis. Br J Nutr. 2013;110(2):347-53.

Wang G, Wan Y, Cheng Q, Xiao Q, Wang Y, Zhang J, et al. Malnutrition and associated factors in Chinese patients with Parkinson’s disease: Results from a pilot investigation. Parkinsonism Relat Disord. 2010;16(2):119-23.

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.

Barichella M, Villa MC, Massarotto A, Cordara SE, Marczewska A, Vairo A, et al. Mini Nutritional Assessment in patients with Parkinson’s disease: correlation between worsening of the malnutrition and increasing number of disease-years. Nutr Neurosci. 2008;11(3):128-34.

Markus HS, Cox M, Tomkins AM. Raised resting energy expenditure in Parkinson’s disease and its relationship to muscle rigidity. Clin Sci (Lond). 1992;83(2):199-204.

Levi S, Cox M, Lugon M, Hodkinson M, Tomkins A. Increased energy expenditure in Parkinson’s disease. Bmj. 1990;301(6763):1256-7.

Oliveira de Carvalho A, Filho ASS, Murillo-Rodriguez E, Rocha NB, Carta MG, Machado S. Physical Exercise For Parkinson’s Disease: Clinical And Experimental Evidence. Clin Pract Epidemiol Ment Health. 2018;14:89-98.

Sheard JM, Ash S, Silburn PA, Kerr GK. Prevalence of malnutrition in Parkinson’s disease: a systematic review. Nutr Rev. 2011;69(9):520-32.

Chen H, Zhang SM, Hernan MA, Willett WC, Ascherio A. Weight loss in Parkinson’s disease. Ann Neurol. 2003;53(5):676-9.

van der Marck MA, Dicke HC, Uc EY, Kentin ZH, Borm GF, Bloem BR, et al. Body mass index in Parkinson’s disease: a meta-analysis. Parkinsonism Relat Disord. 2012;18(3):263-7.

Mun JK, Youn J, Cho JW, Oh ES, Kim JS, Park S, et al. Weight Change Is a Characteristic Non-Motor Symptom in Drug-Naive Parkinson’s Disease Patients with Non-Tremor Dominant Subtype: A Nation-Wide Observational Study. PLoS One. 2016;11(9):e0162254.

Uc EY, Struck LK, Rodnitzky RL, Zimmerman B, Dobson J, Evans WJ. Predictors of weight loss in Parkinson’s disease. Mov Disord. 2006;21(7):930-6.

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(9):979-83.

Cersosimo MG, Raina GB, Pellene LA, Micheli FE, Calandra CR, Maiola R. Weight Loss in Parkinsons Disease: The Relationship with Motor Symptoms and Disease Progression %J BioMed Research International. 2018;2018:6.

Abbott RA, Cox M, Markus H, Tomkins A. Diet, body size and micronutrient status in Parkinson’s disease. European Journal of Clinical Nutrition. 1992;46(12):879-84.

Durrieu G, Llau ME, Rascol O, Senard JM, Rascol A, Montastruc JL. Parkinson’s disease and weight loss: A study with anthropometric and nutritional assessment. Clinical Autonomic Research. 1992;2(3):153-7.

Ekberg O, Hamdy S, Woisard V, Wuttge-Hannig A, Ortega P. Social and psychological burden of dysphagia: its impact on diagnosis and treatment. Dysphagia. 2002;17(2):139-46.

Miller N, Noble E, Jones D, Burn D. Hard to swallow: dysphagia in Parkinson’s disease. Age Ageing. 2006;35(6):614-8.

Miller N. Swallowing in Parkinson’s disease: clinical issues and management. Neurodegener Dis Manag. 2017;7(3):205-17.

Muller J, Wenning GK, Verny M, McKee A, Chaudhuri KR, Jellinger K, et al. Progression of dysarthria and dysphagia in postmortem-confirmed parkinsonian disorders. Arch Neurol. 2001;58(2):259-64.

Bushmann M, Dobmeyer SM, Leeker L, Perlmutter JS. Swallowing abnormalities and their response to treatment in Parkinson’s disease. Neurology. 1989;39(10):1309-14.

Igarashi K, Kikutani T, Tamura F. Survey of suspected dysphagia prevalence in home-dwelling older people using the 10-Item Eating Assessment Tool (EAT-10). PLoS One. 2019;14(1):e0211040.

Monte FS, da Silva-Junior FP, Braga-Neto P, Nobre e Souza MA, de Bruin VM. Swallowing abnormalities and dyskinesia in Parkinson’s disease. Mov Disord. 2005;20(4):457-62.

Keage M, Delatycki M, Corben L, Vogel A. A systematic review of self-reported swallowing assessments in progressive neurological disorders. Dysphagia. 2015;30(1):27-46.

Kalf JG, de Swart BJ, Bloem BR, Munneke M. Prevalence of oropharyngeal dysphagia in Parkinson’s disease: a meta-analysis. Parkinsonism Relat Disord. 2012;18(4):311-5.

Coates C, Bakheit AM. Dysphagia in Parkinson’s disease. Eur Neurol. 1997;38(1):49-52.

Volonte MA, Porta M, Comi G. Clinical assessment of dysphagia in early phases of Parkinson’s disease. Neurol Sci. 2002;23 Suppl 2:S121-2.

Manor Y, Giladi N, Cohen A, Fliss DM, Cohen JT. Validation of a swallowing disturbance questionnaire for detecting dysphagia in patients with Parkinson’s disease. Mov Disord. 2007;22(13):1917-21.

Pfeiffer RF. Gastrointestinal dysfunction in Parkinson’s disease. Lancet Neurol. 2003;2(2):107-16.

Sveinbjornsdottir S. The clinical symptoms of Parkinson’s disease. J Neurochem. 2016;139 Suppl 1:318-24.

Ongun N. Does nutritional status affect Parkinson’s Disease features and quality of life? PloS one. 2018;13(10):e0205100-e.

Ma K, Xiong N, Shen Y, Han C, Liu L, Zhang G, et al. Weight Loss and Malnutrition in Patients with Parkinson’s Disease: Current Knowledge and Future Prospects. Frontiers in aging neuroscience. 2018;10:1-.

Burgos R, Breton I, Cereda E, Desport JC, Dziewas R, Genton L, et al. ESPEN guideline clinical nutrition in neurology. Clin Nutr. 2018;37(1):354-96.

Cereda E, Barichella M, Pezzoli G. Controlled-protein dietary regimens for Parkinson’s disease. Nutritional neuroscience. 2010;13(1):29-32.

Cereda E, Barichella M, Pedrolli C, Pezzoli G. Low‐protein and protein‐redistribution diets for Parkinson’s disease patients with motor fluctuations: A systematic review. Movement Disorders. 2010;25(13):2021-34.

Kalf JG, Borm GF, de Swart BJ, Bloem BR, Zwarts MJ, Munneke M. Reproducibility and validity of patient-rated assessment of speech, swallowing, and saliva control in Parkinson’s disease. Arch Phys Med Rehabil. 2011;92(7):1152-8.

Sheard JM, Ash S, Silburn PA, Kerr GK. Nutritional status in Parkinson’s disease patients undergoing deep brain stimulation surgery: a pilot study. J Nutr Health Aging. 2013;17(2):148-51.

Suzuki A, Mochizuki H, Ebihara Y, Shiomi K, Nakazato M. Body mass index and severity of parkinsonism in multiple system atrophy. Neurology international. 2017;9(3):7276-.

Wintzen AR, Badrising UA, Roos RA, Vielvoye J, Liauw L, Pauwels EK. Dysphagia in ambulant patients with Parkinson’s disease: common, not dangerous. Can J Neurol Sci. 1994;21(1):53-6.