{"groups":[{"description":"Participants received a single 0.5-mL intramuscular injection of the 9-valent human papillomavirus (9vHPV) vaccine at Day 1, Month 2, and Month 6","id":"FG000","title":"9vHPV Vaccine"}],"periods":[{"dropWithdraws":[{"reasons":[{"groupId":"FG000","numSubjects":"1"}],"type":"Protocol Violation"},{"reasons":[{"groupId":"FG000","numSubjects":"2"}],"type":"Withdrawal by Subject"}],"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"201"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"200"}],"type":"Vaccination 1"},{"achievements":[{"groupId":"FG000","numSubjects":"200"}],"type":"Vaccination 2"},{"achievements":[{"groupId":"FG000","numSubjects":"198"}],"type":"Vaccination 3"},{"achievements":[{"groupId":"FG000","numSubjects":"198"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"3"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}]}