Studies conducted by adler et al. (1994), kelley et al. (2005) and the institute of medicine (iom) have concluded that an individual's health outcomes will be affected, in part, by

Studies conducted by Adler et al. (1994), Kelley et al. (2005) and the Institute of Medicine (IOM) have concluded that an individual's health outcomes will be affected, in part, by 
A country's economic status (developed or developing)