Maarten J Wensink1, James W Vaupel, Kaare Christensen. 1. Max-Planck Odense Center on the Biodemography of Aging, Odense, Denmark, Institute of Public Health, University of Southern Denmark, Odense, Denmark, mwensink@health.sdu.dk Max-Planck Odense Center on the Biodemography of Aging, Odense, Denmark, Institute of Public Health, University of Southern Denmark, Odense, Denmark, Max Planck Institute for Demographic Research, Rostock, Germany, Duke University Population Research Institute, Durham, NC The Danish Aging Research Center, Institute of Public Health, University of Southern Denmark, Odense, Denmark, kchristensen@health.sdu.dk.