1. Department of Internal Medicine; St. Joseph Mercy Hospital Ann Arbor - St. Joseph Mercy Health System; Ann Arbor MI USA
2. University of Michigan Medical School; Ann Arbor MI USA
3. Department of Epidemiology and Public Health; Swiss Tropical and Public Health Institute; Basel Switzerland
4. University of Basel; Basel Switzerland
5. Institute of Medical Microbiology and Hygiene; Saarland University Medical Center; Homburg/Saar Germany
6. Department of Mechanical Engineering; College of Engineering; University of Michigan; Ann Arbor MI USA
7. Department of Critical Care Medicine; University of Pittsburgh Medical Center; Pittsburgh PA USA