Choi, Kyunghi Cho, Sung-il Hashizume, Masahiro Kim, Ho Baseline characteristics of the body mass index (BMI) subset. <p><b>NOTE.</b><sup>†</sup>current smoker.</p>‡<p>drink more than once or twice per week.</p> characteristics 2013-02-19
    https://plos.figshare.com/articles/dataset/_Baseline_characteristics_of_the_body_mass_index_BMI_subset_/227155
10.1371/journal.pone.0047634.t005