1. Volume 382, Issue 9903, Pages 1507-1513 (November 2013)
Physical and cognitive functioning of people older than 90 years: a comparison of two Danish cohorts born 10 years apart 
Prof Kaare Christensen, MD, Mikael Thinggaard, MSc, Anna Oksuzyan, MD, Troels Steenstrup, PhD, Karen Andersen-Ranberg, MD, Bernard Jeune, MD, Prof Matt McGue, PhD, Prof James W Vaupel, PhD 
The Lancet 
Volume 382, Issue 9903, Pages (November 2013)
DOI: /S (13)
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2. Figure Study profile for 1905 and 1915 cohorts
*For the non-participants from the 1905 cohort, mean age was 93·2 years and 265 (20%) were men. † For the non-participants from the 1915 cohort, mean age was 95·3 years and 172 (19%) were men.
The Lancet  , DOI: ( /S (13) )
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