@article{Christensen2006,
author = {Christensen, K. and Johnson, T.E. and Vaupel, J.W.},
title= {The quest for genetic determinants of human longevity: Challenges and insights},
year = {2006},
doi = {10.1038/nrg1871},
journal = {Nature Reviews Genetics},
volume = {7},
pages = {436--447},
}