[1] Thomas More Univ Appl Sci Kempen, Mobilab & Care, Kleinhoefstr 4, B-2440 Geel, Belgium
[2] Katholieke Univ Leuven, Dept Comp Sci, B-3001 Heverlee, Belgium
[3] Katholieke Univ Leuven, Dept Publ Hlth & Primary Care, Acad Ctr Nursing & Midwifery, B-3001 Leuven, Belgium
[4] Univ Hosp Leuven, Dept Geriatr Med, B-3000 Leuven, Belgium
[5] Univ Leuven, Dept Publ Hlth & Primary Care, Gerontol & Geriatr, B-3000 Leuven, Belgium
[6] Katholieke Univ Leuven, eMedia Res Lab, Dept Elect Engn ESAT, B-3001 Heverlee, Belgium
[7] Katholieke Univ Leuven, STADIUS, Dept Elect Engn ESAT, B-3001 Heverlee, Belgium