@article{Preston2013,
author = {Preston, S.H. and Mehta, N.K. and Stokes, A.},
title= {Modeling obesity histories in cohort analyses of health and mortality},
year = {2013},
doi = {10.1097/EDE.0b013e3182770217},
journal = {Epidemiology },
volume = {24},
number = {1},
pages = {158--166},
}