Please assess the completion status of the following clinical trial:

Trial Title: Allograft Fibrosis Following Pediatric Cardiac Transplantation

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

Eligibility Criteria:
Inclusion Criteria:~* Children who underwent heart transplantation prior to age 18~* Followed up at Children's Healthcare of Atlanta~Exclusion Criteria:~* Children without a transplanted heart~* Follow-up not at children's Healthcare of Atlanta

- Gender: ALL
- Minimum Age: None
- Maximum Age: 18 Years
- Healthy Volunteers: f

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