1. Department I of Pharmacology; University Hospital Cologne; Germany
2. Department of Clinical Pharmacy, College of Pharmacy; Umm Al-Qura University; Makkah Saudi Arabia
3. Institute for Biomedical and Pharmaceutical Research, Nürnberg-Heroldsberg; Germany
4. Dr. Margarete-Fischer-Bosch Institute of Clinical Pharmacology; Stuttgart Germany
5. University of Tuebingen; Tuebingen Germany
6. Institute of Legal Medicine, Faculty of Medicine; University of Cologne; Germany
7. Pharmacy, University Hospital Cologne; Germany
8. Clinical Trials Centre; University Hospital Cologne; Germany
9. Department of Clinical Pharmacology; University Hospital Tuebingen; Germany
10. Department of Pharmacy and Biochemistry; University of Tuebingen; Tuebingen Germany
11. Institute of Pharmacology; Faculty of Medicine, University Duisburg-Essen; Essen Germany