Authors
Raphael Micheroli
Department of Rheumatology, Zurich University Hospital, Zurich, Switzerland
Almut Scherer
Statistics Group, SCQM Foundation, Zurich, Switzerland
Kristina Bürki
Department of Rheumatology, Zurich University Hospital, Zurich, Switzerland
Pascal Zufferey
Department of Rheumatology, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
Michael J. Nissen
Department of Rheumatology, Geneva University Hospital, Geneva, Switzerland
Laure Brulhart
Department of Rheumatology, Réseau hospitalier neuchâtelois, La Chaux-de-Fonds, Switzerland
Burkhard Möller
Department of Rheumatology, Immunology and Allergology, Inselspital, Bern, Switzerland
Hans-Rudolf Ziswiler
Osteorheuma, Bern, Switzerland
Adrian Ciurea
Department of Rheumatology, Zurich University Hospital, Zurich, Switzerland
Giorgio Tamborrini
Ultrasound Center UZR, Basel Switzerland and Department of Rheumatology, University Hospital, Basel, Switzerland