Dell Computadores Do Brasil Ltda 2017-2017 ———————————————————————————————– ————————————————————————————————————————————————————- ——————————————————————————————————————————————————————————————————————————————————————————————————————————————————- ——————————————————————————————————————————————————————————————————————————————————————————————————————————————- ——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————— —————————————————————————————————————————————– ————————————————————————————————————————————————————————————————————————————————————————————- †Asterisk. See text for a description of the frequency distribution of serum levels for each group in the sample, the mean of each group and its standard deviation for that age with respect to the group in turn, where this provides the association coefficients calculated in the analyses. The authors would like to acknowledge the full study population (n = 1 120). Finally, they would like to acknowledge all the staff involved in the data extraction and management. **Disclosure** The read the article report no conflict of interest in this work. {#pone-0063064-g001} 
