Yvonne Schikhof Ingrid Mulder Martijn H. Vastenburg Designing with care. 1-2 2009 PervasiveHealth https://doi.org/10.4108/ICST.PERVASIVEHEALTH2009.6080 https://ieeexplore.ieee.org/document/5191178/ https://www.wikidata.org/entity/Q59589633 conf/ph/2009 db/conf/ph/ph2009.html#SchikhofMV09