Bath Peter A, Deeg Dorly
Health Informatics Research Group, Department of Information Studies, University of Sheffield, 211 Portobello Street, Regent Court, Sheffield, S1 4DP UK.
Institute for Research in Extramural Medicine (EMGO Institute), VU University Medical Center (VUMC), Amsterdam, The Netherlands.
Eur J Ageing. 2005 Mar;2(1):24-30. doi: 10.1007/s10433-005-0019-4. Epub 2005 Mar 9.