@article{ref1,
title="Commentary on Halonen et al. (2017): pondering the latent class trajectories of retiring older adults",
journal="Addiction",
year="2017",
author="Emiliussen, Jakob",
volume="112",
number="7",
pages="1171-1172",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0965-2140",
doi="10.1111/add.13848",
url="http://dx.doi.org/10.1111/add.13848"
}