1. Department of Chemistry; University of Alaska-Anchorage; Anchorage AK 99508 USA
2. Department of Biology; Indiana University of Pennsylvania; Indiana PA 15705 USA
3. Department of Medicine, Division of Hematology and Oncology; Penn State College of Medicine; Hershey PA 17033 USA
4. Penn State Hershey Cancer Institute; Hershey PA 17033 USA