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Contributors MR and JWB provided the study concept and drafting of the manuscript. JWB and JRC supervised the study and critically revised the manuscript for important intellectual content.
Competing interests JWB: He is a consultant for Merck, Pfizer and Astellas. Pending research grant from Bristol-Myers Squibb (BMS). JRC: He receives salary support from National Institutes of Health (AR053351) and Agency for Healthcare Research and Quality (AHRQ) (R01 R01HS018517). He is a consultant and has received research support from Amgen, Janssen, Consortium of Rheumatology Researchers of North America (CORRONA), Pfizer, Roche/Genentech, Abbvie and UCB.
Provenance and peer review Not commissioned; externally peer reviewed.