Metadata.Centers: Obtain identities of TCGA consortium member centers.
In mariodeng/FirebrowseR: An 'API' Client for Broads 'Firehose' Pipeline

By default this function returns a table of all consortium members in TCGA, aka centers; it provides both the HTTP domain and full organizational name of each center. A subset of this table may be obtained by explicitly specifying one or more domain names.

1	Metadata.Centers(format = "json", center = "")

`format`	Format of result. Default value is json. While json,tsv,csv are available.
`center`	Narrow search to one or more TCGA centers from the scrollable list. Multiple values are allowed bcgsc.ca,broad.mit.edu,broadinstitute.org,genome.wustl.edu,hgsc.bcm.edu,hms.harvard.edu,hudsonalpha.org,intgen.org,jhu-usc.edu,jhu.edu,lbl.gov,mdanderson.org,mskcc.org,nationwidechildrens.org,pnl.gov,rubicongenomics.com,sanger.ac.uk,systemsbiology.org,ucsc.edu,unc.edu,vanderbilt.edu.