Please assess the completion status of the following clinical trial:

Trial Title: Endothelial Dysfunction in Obese Children

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria: Children with severe obesity~* Younger than 16 yrs: BMI ≥97th sex and age specific BMI-percentile~* Older than 16 yrs: BMI ≥35 kg/m²~Exclusion Criteria:~* Acute or chronic inflammatory process, use of non-steroidal anti- inflammatory drugs or immunosuppressive drugs. (including inhalation corticosteroids).~* Structural heart disease or other cardiac diseases.~* Active malignant hematological disease

- Gender: ALL
- Minimum Age: 12 Years
- Maximum Age: 18 Years
- Healthy Volunteers: f

Study Arms:
- Exercise training (Type: EXPERIMENTAL): Individualized and progressively increased supervised aerobic exercise program on a daily base (3-4hours per day, hypocaloric diet and psychological guidance
- Usual Care (Type: OTHER): Nutritional assessment and dietary advice by general practitioner, promotion of sports activities

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