Please assess the completion status of the following clinical trial:

Trial Title: A Multicenter Data Registry for Outcomes From Surgical Treatment of Atrial Arrhythmias

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:~1. Adult patients with paroxysmal (intermittent) or persistent atrial fibrillation~2. \> 18 years of age~Exclusion Criteria:~1. Patients unable to give adequate informed consent~2. Patients who are known to be pregnant, plan to become pregnant or are lactating~3. Inability to return for follow up~4. Patients who are prison inmates or institutionalized~5. Patients in an emergency state~6. Patients under the age of 18

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

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