1 Division of Gastroenterology, Department of Medicine, University of Washington, Seattle, Washington, USA
2 Department of Medicine, University of Washington, Seattle, Washington, USA
3 Department of Immunology, University of Washington, Seattle, Washington, USA
4 Department of Microbiology, University of Washington, Seattle, Washington, USA
5 Department of Genome Sciences, University of Washington, Seattle, Washington, USA
Correspondence: Chris Damman, University of Washington, 1959 NE Pacific Street, Box 356424, Seattle, Washington 98195, USA. E-mail: [email protected]