RT Journal Article SR Electronic T1 From the 20th Annual Pain Medicine Virtual Meeting, November 20–22, 2020 JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 559 OP 566 DO 10.1136/rapm-2021-ASRAannualmtg2021 VO 46 IS 6 YR 2021 UL http://rapm.bmj.com/content/46/6/559.abstract AB