“…All studies were published between 2020 and 2021. The studies were investigated in the different continents such as Europe (Spain = 1, Poland = 1, Italy = 3, France = 1) (Capaldo et al, 2020;Grabia et al, 2020;Ruiz-Roso et al, 2020;Caruso et al, 2021;Hansel et al, 2021;Vetrani et al, 2021), America (Brazil = 1) (Carvalhal et al, 2021), Asia (India = 8, Japan = 5, Turkey = 1) (Liberati et al, 2009;Wells et al, 2014; Capaldo et al, 2020;Grabia et al, 2020;Khare and Jindal, 2020;Moskalewicz and Oremus, 2020;Palmer et al, 2020;Amataiti et al, 2021;Campbell and Wood, 2021;Caruso et al, 2021;Carvalhal et al, 2021;Hansel et al, 2021;Kishimoto et al, 2021;Verma et al, 2021;Vetrani et al, 2021) and one from New Zealand (Amataiti et al, 2021). The total number of diabetic patients for this systematic review was 13,381.…”