1. Department of Physical Medicine & Rehabilitation, Medical University of Vienna
2. 1st Medical Department and Ludwig Boltzmann Institute of Osteology, Hanusch Hospital, Vienna
3. Department of Internal Medicine, Division of Endocrinology and Metabolism, Medical University of Graz
4. Department of Internal Medicine I, Medical University of Innsbruck
5. Schilddrüsen Endokrinologie Osteoporose Institut Dobnig GmbH, Graz
6. Institute for Physical Medicine and Rehabilitation, Krankenhaus Hietzing mit Neurologischem Zentrum Rosenhügel, Vienna
7. Department II Rheumatology/Osteology & Gastroenterology, St Vincent Hospital, Vienna
8. Department of Pathophysiology and Allergy Research, Center of Pathophysiology, Infectiology and Immunology, Medical University of Vienna