Beall later wrote that he had taken down his blog because of pressure from the University of Colorado , which threatened his job security .
The University of Colorado also declared that the decision to take down the list was a personal decision from Beall .
Beall later wrote that Beall had taken down Beall 's blog because of pressure from University of Colorado     Colorado , which threatened his job security .
The University of Colorado also declared that the decision to take down the list was a personal decision from Beall .