1. Program in Bioinformatics and Integrative Biology, University of Massachusetts Medical School, Worcester, MA, USA
2. Curriculum in Genetics and Molecular Biology, University of North Carolina School of Medicine, Chapel Hill, NC, USA
3. Division of Infectious Diseases, Department of Medicine, University of North Carolina, Chapel Hill, NC, USA
4. Division of Transfusion Medicine, Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA