Affiliation: | 1.Chair in Statistics and Econometrics, Faculty for Economic and Social Sciences, University of Rostock, 18051, Rostock, Germany ;2.Department of Statistics, Seoul National University, Seoul, Korea ;3.German Center for Neurodegenerative Diseases, Bonn, Germany ;4.Chair in Empirical Social Research/Demography, Faculty for Economic and Social Sciences, University of Rostock, Rostock, Germany ; |