1. Division of Microbiology and Immunology, Department of Pathology, University of Utah School of Medicine, Salt Lake City, UT 84112, USA.
2. ARUP Laboratories, 500 Chipeta Way, Salt Lake City, UT 84108, USA.
3. Metabolomics Core, University of Utah Health Sciences Center, Salt Lake City, UT 84112, USA.
4. Department of Biochemistry, University of Utah School of Medicine, Salt Lake City, UT 84112, USA.