First Online: 6 June 2020
Compliance with Ethical Standards
: John Wolf, Vwaire Orhurhu, Jacquelin Peck, Mariam Salisu Orhurhu, Stephen Giacomazzi, Daniel Smoots, Charlie Piermarini, Laxmaiah Manchikanti, Rachel J. Kaye, and Omar Viswanath declare no conflict of interest.Alan Kaye is a Section Editor for <i>Current Headache and Pain Reports</i>. He has not been involved in the editorial handling of this manuscript. Dr. Kaye is also a speaker for Merck.
: This article does not contain any studies with human or animal subjects performed by any of the authors.