title: Commentary on "a roadmap for the prevention of dementia II: Leon Thal Symposium 2008." A proposal to increase participation in Alzheimer's disease clinical trials.
authors.affiliation: Neuroscience Global Clinical Research and Development, Wyeth Research, Collegeville, PA, USA. ryanm10@wyeth.com
authors.forename: J Michael
authors.initials: JM
authors.lastname: Ryan
authors.forename: Greg
authors.initials: G
authors.lastname: Schneider
authors.forename: J Steven
authors.initials: JS
authors.lastname: Jacobsen