*Tufts University School of Medicine
§Northeastern University
∥Analysis Group
♯Harvard Medical School, Boston
†Analgesic Research
¶Inflexxion, Newton, MA
‡Covance, Inc, Princeton, NJ
**BuzzeoPDMA, Inc, Richmond, VA
††Washington University in St Louis, Saint Louis, MO
‡‡University of Toronto, Toronto, ON
§§University of Delaware, Newark, DE
∥∥University of Wisconsin, Madison, WI
¶¶Boyertown
♯♯Interactive Forums, Inc, Bala Cynwyd, PA
Sources of financial support: Abbott Laboratories; Alpharma; ALZA Corporation; Cephalon, Inc; Durect Corporation; Endo Pharmaceuticals, Inc; Ortho-McNeil, Inc; Johnson & Johnson Pharmaceutical Services, LLC; Labopharm; Ligand Pharmaceuticals, Inc; New River Pharmaceuticals Inc; Purdue Pharma LP.
Reprints: Nathaniel P. Katz, MD, MS, 109 Highland Avenue, Needham, MA 02494 (e-mail: [email protected]).
Received for publication February 8, 2006; accepted September 14, 2006