1. Department of Cell and Molecular Pharmacology, Medical University of South Carolina, 173 Ashley Avenue, BSB 310, Charleston, South Carolina 29425, United States
2. Department of Microbiology and Immunology, Drexel University College of Medicine, 2900 Queen Lane, Philadephia, Pennsylvania 19129, United States
3. Van Andel Research Institute, 333 Bostwick Ave., Grand Rapids, Michigan 49503, United States