Please assess the completion status of the following clinical trial:

Trial Title: Apelin Levels and G212A Polymorphism of Apelin Receptor (APJ)

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

Eligibility Criteria:
Inclusion Criteria:~* Obese children and adolescents (aged 2-16 years old)~Exclusion Criteria:~* Chronic diseases~* Hypothyroidism~* Medication

- Gender: ALL
- Minimum Age: 2 Years
- Maximum Age: 16 Years
- Healthy Volunteers: t

Study Arms:
- obese (Type: None): obese subjects according to International Obesity Task Force criteria
- lean (Type: None): None

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