*Department of Anesthesiology, Hospital Pablo Tobon Uribe, Medellin, Colombia; †Institute
for Work and Health, Toronto, Canada; ‡Toronto Western Hospital, Comprehensive Pain
Program, University Health Network, Toronto, Canada; §Department of Medicine, Toronto
Western Hospital, Comprehensive Pain Program, Toronto, Canada; ¶Medical Practices
Evaluation Center, Massachusetts General Hospital, Boston, MA; and ‖Department of
Anesthesiology and Pain Medicine, University of Washington, Seattle, WA.