[1] Johns Hopkins Sch Nursing, Baltimore, MD USA
[2] Richman Family Precis Med Ctr Excellence Alzheime, Dept Psychiat & Behav Sci, Johns Hopkins Bayview, Johns Hopkins Med, Baltimore, MD USA
[3] Univ Exeter, Fac Hlth & Life Sci, Dept Clin & Biomed Sci, Exeter, Devon, England
[4] Univ Pittsburgh, Dept Psychiat, Biomed Sci Tower,Room W-1645,3811 OHara St, Pittsburgh, PA 15213 USA
[5] Univ Pittsburgh, Dept Neurol, Pittsburgh, PA USA
[6] UIC, ACE Alzheimer Ctr Barcelona, Res Ctr & Memory Clin, Barcelona, Spain
[7] Natl Inst Hlth Carlos III, Network Ctr Biomed Res Neurodegenerat Dis, CIBERNED, Madrid, Spain
[8] Eli Lilly & Co, Lilly Res Labs, Global Stat Sci, Indianapolis, IN USA
[9] Eli Lilly & Co, Lilly Res Labs, Neurodegenerat Res, Indianapolis, IN USA
[10] Kings Coll London, Dept Old Age Psychiat, Inst Psychiat Psychol & Neurosci, London, England
[11] Vestfold Hosp Trust, Norwegian Natl Ctr Aging & Hlth, Tonsberg, Norway
[12] Oslo Univ Hosp, Dept Geriatr Med, Oslo, Norway
[13] Innlandet Hosp Trust, Res Ctr Age Related Funct Decline & Dis, Ottestad, Norway
[14] Helse Fonna, Dept Res & Innovat, Haugesund, Norway
[15] Univ Bergen, Dept Clin Med K1, Bergen, Norway
[16] Univ Hosp Trondheim, St Olav Hosp, Dept Geriatr, Trondheim, Norway
[17] Nord Trondelag Hosp Trust, Nord Trondelag, Norway
[18] Norwegian Univ Sci & Technol, Fac Med & Hlth Sci, HUNT Res Ctr, Dept Publ Hlth & Nursing, Levanger, Norway
[19] Norwegian Inst Publ Hlth, Oslo, Norway
[20] Univ Oslo, Inst Clin Med, NORMENT, Oslo, Norway
[21] Univ Brescia, Ctr Neurodegenerat Disorders, Brescia, Italy
[22] Univ Perugia, Inst Gerontol & Geriatr, Perugia, Italy
[23] Karolinska Inst, Geriatr Clin, NVS, Stockholm, Sweden
[24] Columbia Univ, Dept Neurol, New York, NY USA
[25] Columbia Univ, Dept Psychiat, New York, NY USA
[26] Columbia Univ, Dept Epidemiol, New York, NY USA
[27] Indiana Univ Sch Med, Med & Mol Genet, Indianapolis, IN USA
[28] Univ Pittsburgh, Dept Human Genet, Pittsburgh, PA USA