{"groups":[{"description":"26 Patients who normally use a Provox2 voice prosthesis, were asked to use a new Vega voice prosthesis with an outer diameter of 20 French.","id":"FG000","title":"Provox Vega 20"}],"periods":[{"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"26"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"26"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"0"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}],"recruitmentDetails":"Patients were recruited at the outpatient clinic when they came in for a voice prosthesis replacement."}