1. Department of Pharmacology, UT Southwestern Medical Center, Dallas, Texas
2. Department of Biophysics, UT Southwestern Medical Center, Dallas, Texas
3. Howard Hughes Medical Institute, UT Southwestern Medical Center, Dallas, Texas
4. Center for Biodiscovery and Molecular Development of Therapeutics, Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, Australia
5. Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, United Kingdom