IT University of Copenhagen, Copenhagen, Denmark

Wearable Computing Laboratory, ETH Zürich, Zürich, Switzerland

Department of Biomedical Engineering, Tampere University of Technology, Tampere, Finland

1Center of Knowledge Science, Japan Advanced Institute of Science and Technology, Ishikawa, Japan 2School of Knowledge Science, Japan Advanced Institute of Science and Technology, Ishikawa, Japan 3Solution Division, Ricoh Software Inc., Tokyo, Japan

1Motorola Pervasive Platforms Lab, Schaumburg, IL, USA 2Massachusetts Institute of Technology, House_n, Cambridge, MA, USA

Australian E-Health Research Centre, ICT Centre, Commonwealth Scientific and Industrial Research Organization, Brisbane, Queensland, Australia

VTT Technical Research Centre of Finland, Espoo, Finland

1Department of Electrical and Electronic Engineering, University of Cagliari, Cagliari, Italy 2Department of Physics, University of Cagliari, Cagliari, Italy 3National Institute of Nuclear Physics, Section of Cagliari, Cagliari, Italy

Lab of Medical Informatics, Faculty of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece

School of Engineering and Mathematical Sciences, City University, London, UK

L3S Research Center, Leibniz Universität, Hannover, Germany

1Canada Research Chair in Information Technology in Health Care, HEC Montréal, Montreal, Quebec, Canada 2University of Montréal, Montreal, Quebec, Canada 3University of Ottawa, Ottawa, Ontario, Canada

1Norwegian Centre for Telemedicine, Tromsø, Norway 2Department of Clinical Psychiatry, Institute for Clinical Medicine, University of Tromsø, Tromsø, Norway 3Department of Telemedicine and e-health, Institute for Clinical Medicine, University of Tromsø and Department of Specialised Psychiatric Services, University Hospital of Northern Norway, Tromsø, Norway 4College of Communication Arts and Sciences, Michigan State University, East Lansing, MI, USA

1Institute for Medical Informatics, Technical University of Braunschweig, Braunschweig, Germany 2University of Applied Sciences and Arts, Hannover, Germany 3Biomedical Imaging Lab, Agency for Science, Technology and Research (A*STAR), Singapore 4Department of Diagnostic Radiology, Georg August University, Goettingen, Germany 5Department of Trauma Surgery, Plastic and Reconstructive Surgery, Georg August University, Goettingen, Germany