Affiliation

• ¹ Clinical Professor of Anesthesiology and Perioperative Medicine, University of Louisville, Louisville, Kentucky, Medical Director, Pain Management Center of Paducah, Paducah, KYDepartment of Anesthesiology and Perioperative Medicine, University of Louisville, Louisville, KYDepartment of Anesthesia, LSU Health Science Center, New Orleans, LANeuroInterventional Spine Service, Interventional Care, Massachusetts General Hospital, Associate Professor of Radiology, Harvard Medical School, Boston, MA.