| Affiliation: | 1. International Clinical Research Institute, Overland Park, Kansas, U.S.A;2. Johns Hopkins University School of Medicine, Baltimore, Maryland, U.S.A;3. Temple University School of Medicine, Philadelphia, Pennsylvania, U.S.A;4. Association of Chronic Pain Patients, Naples, Florida, U.S.A;5. NEMA Research Inc., Naples, Florida, U.S.A;6. Palliative Care Center Silicon Valley and Hospice of the Valley, San Jose, California, U.S.A;7. Salix Pharmaceuticals Inc., Raleigh, North Carolina, U.S.A |
