Reference Architectures, Platforms, and Pilots for European Smart and Healthy Living-Analysis and Comparison - Grguric, A; Khan, O; Ortega-Gil, A; Markakis, EK; Pozdniakov, K; Kloukinas, C; Medrano-Gil, AM; Gaeta, E; Fico, G; Koloutsou, K (Electronics, 2021)