1. Department of Pharmacology, UT Southwestern Medical Center, Dallas, TX 75390, USA.
2. Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA.
3. Department of Biochemistry, UT Southwestern Medical Center, Dallas, TX 75390, USA.