1. Tufts University School of Medicine; Pain Research, Education and Policy (PREP) Program, Department of Public Health and Community Medicine; 136 Harrison Avenue, Stearns 203 Boston Massachusetts USA
2. King Abdulaziz University; College of Medicine; Jeddah Saudi Arabia
3. Division of Neuromedicine Pain, University of Rochester; Department of Neurosurgery; Rochester New York USA
4. Children’s Mercy Hospital; Department of Clinical Pharmacology,Toxicology, and Individualized Pediatric Therapeutics; Kansas City Missouri USA
5. Tufts Medical Center; Department of Anesthesiology and Perioperative Medicine; Boston Massachusetts USA
6. Tufts Medical Center; Department of Pharmacy; Boston Massachusetts USA
7. Tufts Medical Center; Department of Anesthesiology; Boston Massachusetts USA