Rentenberger, Colleen
Shue, Jennifer
Soffin, Ellen M.
Stiles, Brendon M.
Craig, Chad M.
Hughes, Alexander P.
Article History
Received: 4 April 2019
Revised: 22 May 2019
Accepted: 27 May 2019
First Online: 21 June 2019
Compliance with ethical standards
:
: CMC reports grants from Mallinckrodt Pharmaceuticals, and personal fees from Heron Therapeutics, with both relationships outside of the submitted work. APH reports personal fees from Altus Spine, other from Pfizer, Inc, grants from NuVasive, outside the submitted work. The remaining authors declare that they have no conflict of interests.