Zwerling, Craig MD, PhD, MPH; Whitten, Paul S. MA; Sprince, Nancy L. MD, MPH; Davis, Charles S. PhD; Wallace, Robert B. MD, MS; JD, Peter Blanck, PhD; Heeringa, Steven G. PhD
From the University of Iowa, College of Public Health (Drs Zwerling, Whitten, Sprince, and Wallace), Elan Pharmaceuticals (Dr Davis), College of Law (Dr Blanck), and The University of Michigan Survey Research Center (Dr Heeringa).
Address correspondence to: Craig Zwerling, MD, PhD, MPH, University of Iowa, College of Public Health, 100 Oakdale Campus, #126 IREH, Iowa City, IA 52242-5000; E-mail: [email protected].