Are Sensors and Data Processing Paving the Way to Completely Non-invasive and Not-painful Medical Tests for Widespread Screening and Diagnosis Purposes? Topics: Biomedical Sensors; Diagnostic devices; Health Monitoring Devices; Wearable and Mobile Devices In Proceedings of the 13th International Joint Conference on Biomedical Engineering Systems and Technologies - Volume 1: BIOSTEC, 207-214, 2020 , Valletta, Malta