{"groups":[{"id":"FG000","title":"Healthy Control"},{"description":"Subjects with stable Crohn's disease","id":"FG001","title":"Crohn's Disease"}],"periods":[{"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"4"},{"groupId":"FG001","numSubjects":"5"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"4"},{"groupId":"FG001","numSubjects":"5"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"0"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}],"preAssignmentDetails":"Subjects included those with Crohn's disease and healthy controls.","recruitmentDetails":"Recruitment was conducted July 2007 to August 2008 at the Atlanta VA Medical Center."}