title: PCs or paper-and pencil:online surveys for data collection.
authors: Department of Nutrition, Arizona State University, Mesa., USA.
authors: Christopher M
authors: CM
authors: Wharton
authors: Jeffrey S
authors: JS
authors: Hampl
authors: Rick
authors: R
authors: Hall
authors: Donna M
authors: DM
authors: Winham
mesh_terms: D003142:Communication; D003625:Data Collection / Q000295:instrumentation / Q000379:methods* / Q000592:standards; D006801:Humans; D020407:Internet; D018401:Sample Size; D011795:Surveys and Questionnaires