[1] PC Sint Amandus, Dept Psychiat, Beernem, Belgium
[2] Univ Antwerp, Inst Born Bunge, Lab Neurochem & Behav, Dept Biomed Sci, Antwerp, Belgium
[3] Univ Groningen, Dept Neurol, Groningen, Netherlands
[4] Univ Groningen, Alzheimer Res Ctr, Groningen, Netherlands
[5] Univ Med Ctr Groningen, Groningen, Netherlands
[6] Middelheim Gen Hosp ZNA, Dept Neurol, Antwerp, Belgium
[7] Middelheim Gen Hosp ZNA, Memory Clin, Antwerp, Belgium