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COcoa Supplement and

Multivitamin Outcomes Study

Contact Us

You may contact us by email, phone or postal mail.

Our contact information is:


The COcoa Supplement and Multivitamin Outcomes Study (COSMOS)

900 Commonwealth Ave, 3rd Fl

Boston, Massachusetts 02215

Telephone: 1-800-633-6913

Email: COSMOStrial@partners.org

COSMOS Trial

Brigham and Women's Hospital  | Division of Preventive Medicine | 900 Commonwealth Avenue, Fl 3  |  Boston, MA  02215  |  800-633-6913

COSMOStrial@partners.org