1 Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA.
2 Boston Children's Hospital, Division of Gastroenterology and Nutrition, Inflammatory Bowel Disease Center, Boston, MA, USA.
3 Center for Microbiome Informatics and Therapeutics, Massachusetts Institute of Technology, Cambridge, MA, USA.
4 The Broad Institute of MIT and Harvard, Cambridge, MA, USA.
5 Boston Children's Hospital, Division of Gastroenterology and Nutrition, Inflammatory Bowel Disease Center, Boston, MA, USA. stacy.kahn@childrens.harvard.edu.
6 Harvard Medical School, Boston, MA, USA. stacy.kahn@childrens.harvard.edu.