Before revision: To address the non-observability of constructs, U.S. federal agencies such as the National Institutes of Health and the National Cancer Institute has created a construct database termed Grid-Enabled Measures (GEM) to improve construct use and reuse.
After revision: To address the non-observability of constructs, U.S. federal agencies such as the National Institutes of Health and the National Cancer Institute have created a construct database termed Grid-Enabled Measures (GEM) to improve construct use and reuse.