TY - JOUR A1 - Kok, A.A.L. A1 - Aartsen, M.J. A1 - Deeg, D.J.H. A1 - Huisman, M. T1 - Capturing the diversity of successful aging: An operational definition based on 16-year trajectories of functioning Y1 - 2015 DO - 10.1093/geront/gnv127 JF - The Gerontologist VL - 57 IS - 2 ER -