1. Unit W, Laurea University of Applied Sciences, 02650 Espoo, Finland
2. 5th Regional Health Authority of Thessaly & Sterea, 41110 Larissa, Greece
3. CINTESIS@RISE, Department of Behavioural Sciences, School of Medicine and Biomedical Sciences (ICBAS), University of Porto, 4200-450 Porto, Portugal
4. Computer Architecture and Networks Group, School of Computer Science, University of Castilla-La Mancha, Paseo de la Universidad, 4, 13071 Ciudad Real, Spain