1. Department of Biochemistry and Molecular Biology; Center for Infectious Disease Dynamics, and the Huck Institutes of the Life Sciences; Pennsylvania State University; University Park; Pennsylvania USA
2. Laboratory of Neurosciences; National Institute of Aging/National Institute of Health; Baltimore Maryland USA
3. Department of Physiology; University of Oklahoma Health Sciences Center; University of Oklahoma; Oklahoma City Oklahoma USA
4. Department of Chemistry, and the Eberly College of Science; Pennsylvania State University; University Park; Pennsylvania USA