1. The Gene and Linda Voiland School of Chemical Engineering and Bioengineering Washington State University P.O. Box 646515, Wegner Hall, Room 305 Pullman 99164 WA USA
2. Division of Clinical Microbiology Mayo Clinic Rochester 55905 MN USA
3. Department of Electrical and Computer Engineering University of Idaho Moscow 83844 ID USA
4. Department of Intensive Care University Hospital of Guadeloupe Pointe-à-Pitre 97142 France
5. Division of Public Health Infectious Diseases and Occupational Medicine Mayo Clinic Rochester 55905 MN USA