68 pubs · 3,109 cites · h-index 21
University of Chicago
1995 - 2022
Berlin Institute of Health at Charité - Universitätsmedizin Berlin
2010 - 2011
Charité - Universitätsmedizin Berlin
2009 - 2009
National Opinion Research Center
2006 - 2006
Johns Hopkins University
1974 - 1974