Funding for this research was provided by:
AbbVie Farmaceutica Ltda
Received: 1 November 2018
Accepted: 21 October 2019
First Online: 9 November 2019
Ethics approval and consent to participate
: Research was reviewed and approved by Independent Ethics Committee according to study site and responsible committees are listed in Additional file InternalRef removed: Table S1. All procedures were in accordance with the ethical standards from each country and with the Helsinki declaration and its later amendments or comparable ethical standards. Written informed consent and authorization to use and/or disclose his/her anonymised health data was obtained from all participants.
: All authors consent to publish the manuscript in Advances in Rheumatology.
: The authors declare that they have no competing interests.