1. Swiss Tropical and Public Health Institute, Socinstrasse 57, CH-4002 Basel, Switzerland
2. University of Basel, CH-4003 Basel, Switzerland
3. F. Hoffmann-La Roche Ltd., CH-4070 Basel, Switzerland
4. Imaging Core Facility, Biozentrum, University of Basel, CH-4003 Basel, Switzerland
5. College of Pharmacy, University of Nebraska Medical Center, 986025 Nebraska Medical
Center, Omaha, Nebraska 68198, United States