“…Five studies were from Turkey ( 28 , 33 , 39 , 44 , 45 ) three from Iran ( 31 , 41 , 42 ), two from the USA ( 30 , 36 ), two from Spain ( 34 , 35 ), two from Sweden ( 27 , 29 ), one from China ( 38 ), one from Israel ( 37 ), one from Brazil ( 32 ), one from Canada ( 43 ), and one from Taiwan ( 40 ). The included studies were conducted in various contexts, in terms of the healthcare system, the number of deaths and cases of COVID-19, the nurse-to-patient ratio, economic and political status, population age pyramid, culture, equipment, and access to health services.…”