1. Department of Rheumatology and Clinical Immunology Charité – University Medicine Berlin Berlin Germany
2. Clinical R&D, Biosimilars Amgen Inc. Thousand Oaks California USA
3. Clinical Pharmacology M&S Amgen Inc. Thousand Oaks CA USA
4. Clinical Immunology Amgen Inc. Thousand Oaks CA USA
5. Metroplex Clinical Research Center Dallas Texas USA