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Welcome to GEM!

This site, sponsored by the National Cancer Institute, supports teams to identify, evaluate, and gain consensus on the use of common measures for basic, clinical, or epidemiologic research. The process is supported through collaborative Workspaces and custom surveys.

Participation using a Workspace is by invite-only. If you received an invitation to participate in an initiative, you'll first need to log-in with your current credentials or set up an account if you haven't already registered. If you are interested in using GEM with your team, please contact Richard Moser ( Additional information about GEM can be found on the NCI website

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This system is provided for Government-authorized use only.

Unauthorized or improper use of this system is prohibited and may result in disciplinary action and/or civil and criminal penalties.

Personal use of social media and networking sites on this system is limited as to not interfere with official work duties and is subject to monitoring.

By using this system, you understand and consent to the following:

The Government may monitor, record, and audit your system usage, including usage of personal devices and email systems for official duties or to conduct HHS business. Therefore, you have no reasonable expectation of privacy regarding any communication or data transiting or stored on this system. At any time, and for any lawful Government purpose, the government may monitor, intercept, and search and seize any communication or data transiting or stored on this system.

Any communication or data transiting or stored on this system may be disclosed or used for any lawful Government purpose.