SPONDYLOARTHROPATHIES INCLUDING PSORIATIC ARTHRITIS: Edited by Joerg Ermann
Poddubnyy, Denis; Sieper, Joachim
aDepartment of Gastroenterology, Infectious Diseases and Rheumatology, Charité – Universitätsmedizin Berlin
bEpidemiology Unit, German Rheumatism Research Centre, Berlin, Germany
Correspondence to Denis Poddubnyy, Department of Gastroenterology, Infectious Diseases and Rheumatology, Charité – Universitätsmedizin Berlin, Hindenburgdamm 30, 12203 Berlin, Germany. E-mail: [email protected]