1. Clinical Pharmacology; Bayer Pharma AG; 42096; Wuppertal
2. Department of Biometry, Pharmacometry; Bayer Pharma AG; Wuppertal
3. Clinical Research Services (CRS) Kiel GmbH; 24105; Kiel
4. Gastroenterologisch-Hepatologisches Zentrum Kiel; 24105; Kiel; Germany