[1] PC Sint Amandus, Dept Psychiat, Reigerlostr 10, B-8730 Beernem, Belgium
[2] Univ Antwerp, Dept Biomed Sci, Lab Neurochem & Behav, Inst Born Bunge, Univ Pl 1, B-2610 Antwerp, Belgium
[3] Univ Groningen, Dept Neurol, Hanzepl 1, NL-9700 RB Groningen, Netherlands
[4] Univ Groningen, Alzheimer Res Ctr, Hanzepl 1, NL-9700 RB Groningen, Netherlands
[5] Univ Med Ctr Groningen, Hanzepl 1, NL-9700 RB Groningen, Netherlands
[6] Middelheim Gen Hosp ZNA, Dept Neurol, Lindendreef 1, B-2020 Antwerp, Belgium
[7] Middelheim Gen Hosp ZNA, Memory Clin, Lindendreef 1, B-2020 Antwerp, Belgium