OPTIMI (Online Predicative Tools for Intervention in Mental Illness) OPTIMI ECG sensor as a measurement tool for signs of stress and poor coping in high risk individuals. Psihìatr. nevrol. med. psihol. 2015;1(2):28–33. Accessed October 25, 2026. https://periodicals.karazin.ua/pnmp/article/view/1503