Information and Communication Technologies for Ageing Well and e-Health First International Conference, ICT4AgeingWell 2015, Lisbon, Portugal, May 20-22, 2015. Revised Selected Papers - Helfert, Markus; Holzinger, Andreas; Ziefle, Martina; Fred, Ana; O'Donoghue, John; Röcker, Carsten (Springer International Publishing : Imprint: Springer, 2015)