Please assess the completion status of the following clinical trial:

Trial Title: Post-marketing Safety Study of GSK Biologicals' Boostrix® Vaccine

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* Subjects between the age of 10 and 18 years (inclusive) who received a dose of Boostrix and who have safety follow-up information available

- Gender: ALL
- Minimum Age: 10 Years
- Maximum Age: 18 Years
- Healthy Volunteers: t

Study Arms:
- Boostrix cohort (Type: None): None
- Historical Td cohort (Type: None): None

Based on this trial design, predict the completion outcome and termination type (if applicable).