1. Department of Anesthesiology, University of Michigan, Ann Arbor, MI, USA
2. Pain Management Nurse Practitioner, Ponte Vedra Beach, FL, USA
3. Department of Family Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
4. Pfizer Inc., New York, NY, USA
5. Pfizer Inc., Groton, CT, USA
6. Schools of Nursing & Medicine, Oregon Health & Science University, Portland, OR, USA