Erin F. Lawson MDInterventional Pain ManagementLexington Brain and Spine InstituteLexington Medical Center222 E Medical LnSuite 200West Columbia, SC 29169Joel P. Castellanos, MD, FAAPMRInterventional Pain Faculty and Medical Director of Inpatient PM&RUniversity of California, San Diego9500 Gilman DrLa Jolla, CA 92093