1. Departments
of Pharmacology, University of Texas Southwestern Medical Center at Dallas, 6001 Forest Park Blvd, Dallas, Texas 75390-9041, United States
2. Swiss Tropical and Public Health Institute, Socinstrasse 57, 4002 Basel, Switzerland
3. University of Basel, 4002 Basel, Switzerland
4. Division
of Clinical Pharmacology, Department of Medicine, University of Cape Town, Observatory 7925, South Africa