Maged N Kamel Boulos1
, Artur Rocha2
, Angelo Martins2
, Manuel Escriche Vicente3
, Armin Bolz4
, Robert Feld4
, Igor Tchoudovski4
, Martin Braecklein4
, John Nelson5
, Gearóid Ó Laighin6
, Claudio Sdogati7
, Francesca Cesaroni7
, Marco Antomarini7
, Angela Jobes8
and Mark Kinirons9 
1
Faculty of Health and Social Work, University of Plymouth, Drake Circus, Plymouth, Devon PL4 8AA, UK
2
Location Based Information Systems, Information and Communication Systems Unit, INESC Porto, Campus da FEUP, Rua Dr. Roberto Frias, 378, 4200-465 Porto, Portugal
3
Telefónica Investigación y Desarrollo, Parque Tecnológico de Boecillo, 118-120, 47151 – Boecillo, Valladolid, Spain
4
Corscience GmbH & Co. KG, Henkestr. 91, 91052 Erlangen, Germany
5
Department of Electronic & Computer Engineering, College of Informatics & Electronics, University of Limerick, Limerick, Ireland
6
Department of Electronic Engineering, National University of Ireland, Galway, Galway, Ireland
7
COOSS Marche Onlus, Dipartimento R&D, via Saffi n° 4, 60121 Ancona, Italy
8
Synkronix IIIncorporation Ltd, Dunston House, Dunston Corner, Hemingstone, Ipswich IP6 9QD, UK
9
Department of Ageing & Health, St Thomas' Hospital (NHS), London SE1 7EH, UK