1. Gambling Commission: Participation in gambling and rates of problem gambling – England (2016). https://www.gamblingcommission.gov.uk/PDF/survey-data/England-Health-Survey-Findings-2016.pdf. Accessed 09 Mar 2020
2. Abbott, M.: The epidemiology and impact of gambling disorder and other gambling-related harm. Discussion paper for the 2017 WHO Forum on alcohol, drugs and addictive behaviors, WHO Headquarters, Geneva (2017)
3. Calado, F., Griffiths, M.: Problem gambling worldwide: an update and systematic review of empirical research. J. Behav. Addict. 5(4), 592–613 (2016)
4. Hakansson, A., Fernandez-Aranda, F., Menchon, J.M., Potenza, M.N., Jimenez-Murcia, S.: Gambling during the COVID-19 crisis: a cause for concern. J. Addict. Med. 14, e10–e12 (2020)
5. Economou, M., Souliotis, K., Malliori, M., et al.: Problem gambling in Greece: prevalence and risk factors during the financial crisis. J. Gambl. Stud. 35(4), 1193–1210 (2019)