[1] University of Louisville,Anesthesiology and Perioperative Medicine
[2] LSU Health Sciences Center,Department of Anesthesiology, School of Medicine
[3] Pain Management Centers of America,Department of Anesthesiology and Pharmacology, Toxicology, and Neurosciences
[4] Pain Management Centers of America,Neurointerventional Radiology, Neurointerventional Spine
[5] St Louis University,undefined
[6] Pain Management Centers of America,undefined
[7] Louisiana State University School of Medicine,undefined
[8] Massachusetts General Hospital and Harvard Medical School,undefined