1. Center for Emerging Pathogens, Division of Infectious Diseases, New Jersey Medical School, Rutgers Biomedical and Health Sciences University, Newark, New Jersey, USA
2. Department of Pathology and Laboratory Medicine, University Hospital, Newark, New Jersey, USA
3. Blood Bank/Transfusion Service, University Hospital, Newark, New Jersey, USA
4. Cepheid, Sunnyvale, California, USA