The following Berkeley Lab researchers also contributed to the study: Benjamin Bowen, a member of Northen's lab in EGSB and
at the Joint Genome Institute, a DOE Office of Science User Facility, helped analyze metabolomics data; Ulas Karaoz in the Earth and Environmental Sciences Area (EESA) analyzed
metagenomics data; and Joel Swenson, a former postdoctoral researcher in Biosciences» Biological Systems and Engineering Division, helped conduct correlation and statistical
analyses.