Please assess the completion status of the following clinical trial:

Trial Title: Treatment Study of Vitamin D Deficiency in Adolescents

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* age 13-20~Exclusion Criteria:~* currently receiving treatment for hypovitaminosis D~* hepatic or renal disease~* metabolic rickets~* inability to complete the questionnaire

- Gender: ALL
- Minimum Age: 13 Years
- Maximum Age: 20 Years
- Healthy Volunteers: t

Study Arms:
- Low Dose (Type: EXPERIMENTAL): VItamin D3 1,000 IU~1 x day, 8 weeks
- Weekly High Dose (Type: EXPERIMENTAL): Vitamin D3 50,000 IU~1x week, 8 weeks
- Daily High Dose (Type: EXPERIMENTAL): Vitamin D3 5,000 IU~1x day, 8 weeks

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