INS and type 1 diabetes mellitus: The T1D treatment regimen is complex and multifaceted, and it entails, from the time of diagnosis, the adherence of the patient (and his/her family) to many disease specific behaviors, such as lifelong insulin replacement therapy, blood glucose monitoring, dietary management, physical activity, and exercise (Fairchild, 2015; National Institute for Health and Care Excellence, 2015; American Diabetes Association [ADA], 2020b).