1. Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washingon
2. Antibody Characterization Laboratory, Leidos Biochemical Research, Inc., Frederick National Laboratory for Cancer Research ATRF, Frederick, Maryland
3. Office of Cancer Clinical Proteomics Research, National Cancer Institute, Bethesda, Maryland
4. Department of Genetics and Genomic Sciences, Icahn Institute of Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, New York, New York