[1] Preclinical Assessment Group, Medicines Evaluation Board of the Netherlands, Laboratory for Medicines and Medical Devices, National Institute of Public Health and the Environment, NL-3720 BA Bilthoven
[2] Laboratory for Pathology and Immunobiology, National Institute for Public Health and the Environment, Bilthoven
[3] Sanofi Research, Sanofi Pharmaceuticals, Inc., Malvern, Pennsylvania
[4] Division of Antiviral Drug Products, Office of Drug Evaluation II, Center for Drug Evaluation and Research, Food and Drug Administration, Rockville, Maryland