1. Division of Clinical Affairs, Ortho-McNeil Pharmaceutical Co., School of Pharmacy, Texas Tech University Health Sciences Center, Lubbock, Texas
2. School of Pharmacy, Texas Tech University Health Sciences Center, International Pain Institute, Texas Tech University Health Sciences Center, Lubbock, Texas
3. School of Pharmacy, Texas Tech University Health Sciences Center, Lubbock, Texas, Amarillo College, Amarillo, Texas
4. School of Pharmacy, Texas Tech University Health Sciences Center, Amarillo, Texas