Breast Neoplasms, Male

• Suburban Hospital — Bethesda, Maryland, United States
• Oncology Care Associates — Bethesda, Maryland, United States
• Warren Grant Magnuson Clinical Center - NCI Clinical Studies Support — Bethesda, Maryland, United States
• NCI - Center for Cancer Research — Bethesda, Maryland, United States

• Center for Cancer Research — Bethesda, Maryland, United States
• Warren Grant Magnuson Clinical Center - NCI Clinical Studies Support — Bethesda, Maryland, United States

• Warren Grant Magnuson Clinical Center - NCI Clinical Studies Support — Bethesda, Maryland, United States

• Case Medical Center, University Hospitals Seidman Cancer Center, Case Comprehensive Cancer Center — Cleveland, Ohio, United States
• UH-Southwest — Middleburg Heights, Ohio, United States
• UH-Chagrin Highlands — Orange, Ohio, United States
• UH-Green Road — South Euclid, Ohio, United States

• Slotervaart Ziekenhuis — Amsterdam, Netherlands

• Dana-Farber Cancer Institute — Boston, Massachusetts, United States

• Ohio State University Medical Center — Columbus, Ohio, United States

Not specified

• University of Texas - MD Anderson Cancer Center — Houston, Texas, United States

• Memorial Sloan-Kettering Cancer Center — New York, United States