{"groups":[{"description":"Patients with laryngeal cancer and a total laryngectomy in whom a puncture was made and a voice prosthesis was placed by means of the Provox Vega Puncture Set","id":"FG000","title":"Provox Vega Puncture Set"}],"periods":[{"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"27"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"27"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"0"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}],"recruitmentDetails":"Prospective study, carried out in 5 different medical centers in 4 different countries. Recruitment period runs from November 2009-March 2011"}