Human Factors and Requirements of People with Mild Cognitive Impairment, their Caregivers and Healthcare Professionals for eHealth Systems with Wearable Trackers. - Thanos G. Stavropoulos; Ioulietta Lazarou; Dimitris Strantsalis; Spiros Nikolopoulos; Ioannis Kompatsiaris; George Koumanakos; Maria Frouda; Magda Tsolaki (ICHMS, 2020)