%0 Journal Article %T The World Health Organization STEPwise Approach to Noncommunicable Disease Risk-Factor Surveillance: Methods, Challenges, and Opportunities %A Leanne Riley %A Lubna Bhatti %A Melanie Cowan %A Regina Guthold %A Ruth Bonita %A Stefan Savin %A Timothy Armstrong %J Archive of "American Journal of Public Health". %D 2016 %R 10.2105/AJPH.2015.302962 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4695948/