1. Division of Gerontology, Beth Israel Deaconess Medical Center; Harvard Medical School; Boston Massachusetts
2. National Cancer Registry Ireland; Cork Ireland
3. University College Cork; Cork Ireland
4. Institute of Social and Preventive Medicine; University of Bern; Bern Switzerland
5. Section of Geriatrics; Boston Medical Center/Boston University School of Medicine; Boston Massachusetts
6. Department of Geriatrics, Inselspital; Bern University Hospital, University of Bern; Bern Switzerland