{"groups":[{"description":"A group of laryngectomized Provox ActiValve users tested the Provox Vega 22.5 French voice prosthesis for 3 weeks.","id":"FG000","title":"Provox Vega 22.5 French"}],"periods":[{"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"15"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"15"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"0"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}]}