Funding for this research was provided by:
Rheumatology Research Foundation (N/A)
Text and Data Mining valid from 2019-04-12
First Online: 12 April 2019
Compliance with Ethical Standards
: Augustine Chung and James English declare that they have no conflict of interest.Dr. Volkmann reports personal fees from Boehringer Ingelheim, during the conduct of the study.
: This article does not contain any studies with human or animal subjects performed by any of the authors.