Please assess the completion status of the following clinical trial:

Trial Title: Developmental Outcomes of Extreme Prematurity, 5-15 Years Postpartum

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:~* Preterm Infant~* Very low birth weight or extremely low birth weight~Exclusion Criteria:~* Missing information regarding birth week and weight

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

Study Arms:
- Normal Development (Type: None): The infant's development level will be assessed using a phone interview with parents
- Abnormal Development (Type: None): The infant's level of development will be assessed using a phone interview with parents

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