@article {31, editor = {,}, title = {Letters}, volume = {45}, number = {6}, pages = {31--31}, year = {2015}, publisher = {American Public Health Association}, issn = {0028-0496}, URL = {http://www.thenationshealth.org/content/45/6/31}, eprint = {http://www.thenationshealth.org/content}, journal = {The Nation{\textquoteright}s Health} }