Professor Dr. med. R. Theiler
UniversitätsSpital Zürich
Rheumatology Clinic and Institute of Physical Medicine
Rämistrasse 100
CH-8091 Zurich
SWITZERLAND
Professor Dr. med. H. Bischoff-Ferrari
UniversitätsSpital Zürich
Rheumatology Clinic and Institute of Physical Medicine
Rämistrasse 100
CH-8091 Zurich
SWITZERLAND
