1. Riptide Bioscience, Inc., Vallejo, California, USA
2. Integrative Biosciences, College of Agriculture, Environment and Nutrition Sciences, Tuskegee University, Tuskegee, Alabama, USA
3. Microbiology Department, Stellenbosch University, Stellenbosch, South Africa
4. Central Analytical Facilities, Stellenbosch University, Stellenbosch, South Africa
5. California Institute for Medical Research, San Jose, California, USA
6. Division of Infectious Diseases and Geographic Medicine, Stanford University, Stanford, California, USA