[1] Boehringer Ingelheim Pharmaceut Inc, Ridgefield, CT USA
[2] Boehringer Ingelheim Pharma GmbH & Co KG, Biberach, Germany
[3] Giessen Univ, Kerckhoff Klin, Bad Nauheim, Germany
[4] Clin Med Badurski & Partners, Bialystok, Poland
[5] Rheumatica, Warsaw, Poland
[6] Boehringer Ingelheim Pharma GmbH & Co KG, Ingelheim, Germany