Affiliation: | a A. Turic is a dietitian with Horizon Health Care Corp in Warren, Ohio; at the time of this study, she was a graduate student at Kent State University, Kent, Ohio, USA b K. L. Gordon is an assistant professor at Kent State University. L. D. Craig is a senior research scientist, D. G. Ataya is a senior biostatistician, and A. C. Voss is manager of outcomes research at Ross Products Division, Abbott Laboratories, Columbus, Ohio, USA |