Correction: Clinical response to discontinuation of anti-TNF therapy in patients with ankylosing spondylitis after 3 years of continuous treatment with infliximab

Xenofon Baraliakos¹, Joachim Listing², Jan Brandt¹, Angela Zink², Rieke Alten³, Gerd Burmester⁴, Erika Gromnica-Ihle⁵, Herbert Kellner⁶, Matthias Schneider⁷, Helmut Sörensen⁸, Hennig Zeidler⁹, Martin Rudwaleit¹⁰, Joachim Sieper¹⁰ and Juergen Braun¹

¹  Rheumazentrum Ruhrgebiet, Herne, Ruhr University Bochum, Germany

²  German Rheumatism Research Center, Berlin, Germany

³  Schlosspark Clinic, Berlin, Germany

⁴  Charité, University Medicine Berlin, Campus Mitte, Germany

⁵  Berlin-Buch Hospital, Berlin, Germany

⁶  Ludwig-Maximilians-University, Munich, Germany

⁷  Heinrich-Heine-University, Düsseldorf, Germany

⁸  Private Praxis, Berlin, Germany

⁹  Medical University of Hannover, Hanover, Germany

¹⁰  Charité, Medical University of Berlin, Campus Benjamin Franklin, Department of Rheumatology, Germany