1. Richardson S, Hirsch JS, Narasimhan M, Crawford JM, McGinn T, Davidson KW, et al. Presenting characteristics, comorbidities, and outcomes among 5700 patients hospitalized with COVID-19 in the New York City area. Jama. 2020;323(20):2052-9. [
DOI:10.1001/jama.2020.6775]
2. Gerst-Emerson K, Jayawardhana J. Loneliness as a public health issue: the impact of loneliness on health care utilization among older adults. American journal of public health. 2015;105(5):1013-9. [
DOI:10.2105/AJPH.2014.302427]
3. Michalowsky B, Hoffmann W, Bohlken J, Kostev K. Effect of the COVID-19 lockdown on disease recognition and utilisation of healthcare services in the older population in Germany: a cross-sectional study. Age and Ageing. 2021;50(2):317-25. [
DOI:10.1093/ageing/afaa260]
4. Munoz-Martínez S, Sapena V, Forner A, Nault JC, Sapisochin G, Rimassa L, et al. Assessing the impact of COVID-19 on liver cancer management (CERO-19). JHEP Reports. 2021;3(3):100260. [
DOI:10.1016/j.jhepr.2021.100260]
5. Bedford J, Enria D, Giesecke J, Heymann DL, Ihekweazu C, Kobinger G, et al. COVID-19: towards controlling of a pandemic. The lancet. 2020;395(10229):1015-8. [
DOI:10.1016/S0140-6736(20)30673-5]
6. Kendzerska T, Zhu DT, Gershon AS, Edwards JD, Peixoto C, Robillard R, et al. The effects of the health system response to the COVID-19 pandemic on chronic disease management: a narrative review. Risk Management and Healthcare Policy. 2021;14:575-84. [
DOI:10.2147/RMHP.S293471]
7. Goumenou M, Sarigiannis D, Tsatsakis A, Anesti O, Docea AO, Petrakis D, et al. COVID 19 in Northern Italy: An integrative overview of factors possibly influencing the sharp increase of the outbreak. Molecular Medicine Reports. 2020;22(1):20-32. [
DOI:10.3892/mmr.2020.11079]
8. Muscogiuri G, Barrea L, Savastano S, Colao A. Nutritional recommendations for CoVID-19 quarantine. European Journal of Clinical Nutrition. 2020;74(6):850-1. [
DOI:10.1038/s41430-020-0635-2]
9. Petrakis D, Margina D, Tsarouhas K, Tekos F, Stan M, Nikitovic D, et al. Obesity a risk factor for increased COVID 19 prevalence, severity and lethality. Molecular medicine reports. 2020;22(1):9-19. [
DOI:10.3892/mmr.2020.11127]
10. Ritter A, Kreis NN, Louwen F, Yuan J. Obesity and COVID-19: molecular mechanisms linking both pandemics. International journal of molecular sciences. 2020;21(16):5793. [
DOI:10.3390/ijms21165793]
11. Yang J, Hu J, Zhu C. Obesity aggravates COVID‐19: a systematic review and meta‐analysis. Journal of medical virology. 2021;93(1):257-61. [
DOI:10.1002/jmv.26237]
12. Donohoe CL, Lysaght J, O'Sullivan J, Reynolds JV. Emerging concepts linking obesity with the hallmarks of cancer. Trends in Endocrinology & Metabolism. 2017;28(1):46-62. [
DOI:10.1016/j.tem.2016.08.004]
13. Petrakis D, Vassilopoulou L, Mamoulakis C, Psycharakis C, Anifantaki A, Sifakis S, et al. Endocrine disruptors leading to obesity and related diseases. International journal of environmental research and public health. 2017;14(10):1282. [
DOI:10.3390/ijerph14101282]
14. Vassilopoulou L, Psycharakis C, Petrakis D, Tsiaoussis J, Tsatsakis AM. Obesity, persistent organic pollutants and related health problems. Obesity and Lipotoxicity. 2017:81-110. [
DOI:10.1007/978-3-319-48382-5_4]
15. Andersen CJ, Murphy KE, Fernandez ML. Impact of obesity and metabolic syndrome on immunity. Advances in Nutrition. 2016;7(1):66-75. [
DOI:10.3945/an.115.010207]
16. Febbraio MA. Role of interleukins in obesity: implications for metabolic disease. Trends in Endocrinology & Metabolism. 2014;25(6):312-9. [
DOI:10.1016/j.tem.2014.02.004]
17. Louwen F, Ritter A, Kreis NN, Yuan J. Insight into the development of obesity: functional alterations of adipose‐derived mesenchymal stem cells. Obesity Reviews. 2018;19(7):888-904. [
DOI:10.1111/obr.12679]
18. McLaughlin T, Ackerman SE, Shen L, Engleman E. Role of innate and adaptive immunity in obesity-associated metabolic disease. The Journal of clinical investigation. 2017;127(1):5-13. [
DOI:10.1172/JCI88876]
19. Ellulu MS, Patimah I, Khaza'ai H, Rahmat A, Abed Y. Obesity and inflammation: the linking mechanism and the complications. Archives of medical science: AMS. 2017;13(4):851-63. [
DOI:10.5114/aoms.2016.58928]
20. Exley MA, Hand L, O'Shea D, Lynch L. Interplay between the immune system and adipose tissue in obesity. Journal of Endocrinology. 2014;223(2):R41-8. [
DOI:10.1530/JOE-13-0516]
21. Richard C, Wadowski M, Goruk S, Cameron L, Sharma AM, Field CJ. Individuals with obesity and type 2 diabetes have additional immune dysfunction compared with obese individuals who are metabolically healthy. BMJ Open Diabetes Research and Care. 2017;5(1):e000379. [
DOI:10.1136/bmjdrc-2016-000379]
22. Moore JB, June CH. Cytokine release syndrome in severe COVID-19. Science. 2020;368(6490):473-4. [
DOI:10.1126/science.abb8925]
23. Flanagan EW, Beyl RA, Fearnbach SN, Altazan AD, Martin CK, Redman LM. The impact of COVID‐19 stay‐at‐home orders on health behaviors in adults. Obesity. 2021;29(2):438-45. [
DOI:10.1002/oby.23066]
24. Marchitelli S, Mazza C, Lenzi A, Ricci E, Gnessi L, Roma P. Weight gain in a sample of patients affected by overweight/obesity with and without a psychiatric diagnosis during the covid-19 lockdown. Nutrients. 2020;12(11):3525. [
DOI:10.3390/nu12113525]
25. Robinson E, Boyland E, Chisholm A, Harrold J, Maloney NG, Marty L, et al. Obesity, eating behavior and physical activity during COVID-19 lockdown: A study of UK adults. Appetite. 2021;156:104853. [
DOI:10.1016/j.appet.2020.104853]