1. Centre of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
2. Bayer HealthCare Pharmaceuticals, Whippany, New Jersey, USA
3. Bayer AG, Berlin, Germany
4. eStudy Site, Inc., San Diego, California, USA
5. Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University School of Medicine, Detroit, Michigan, USA
6. Bayer HealthCare, Beijing, China
7. Leeds Teaching Hospitals and University of Leeds, Leeds, United Kingdom