Oude Voshaar, M. A. H. http://orcid.org/0000-0003-2438-9973
Vonkeman, H. E.
Courvoisier, D.
Finckh, A.
Gossec, L.
Leung, Y. Y.
Michaud, K.
Pinheiro, G.
Soriano, E.
Wulfraat, N.
Zink, A.
van de Laar, M. A. F. J.
Article History
Accepted: 17 September 2018
First Online: 13 October 2018
Compliance with ethical standards
:
: None of the authors declare any conflict of interest.
: This study is a secondary analysis of data collected in several patient registries. Ethical approval for the collection of patient data was given by the regional review boards.
: All patients have provided written consent for their data to be used for scientific studies.