Please assess the completion status of the following clinical trial:

Trial Title: Longitudinal Follow-up of High School Athletes

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:~* Elite athletes from the elite sport school in Wilrijk and Leuven~* First grade of high school~Exclusion Criteria:~* Performing \>4hours/week sports

- Gender: ALL
- Minimum Age: 11 Years
- Maximum Age: 15 Years
- Healthy Volunteers: t

Study Arms:
- Football players (Type: None): Football players of the first grade of high school are recruited from the topsportschool in Leuven.
- Basketball players (Type: None): Basketball players of the first grade of high school are recruited from the topsportschool in Leuven.
- Swimmers (Type: None): Swimmers of the first grade of high school are recruited from the future team of the Flemish Swimming Federation
- Control group (Type: None): Age-matched controls are recruited (exercising at a recreational level, \>4 hours).

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