Please assess the completion status of the following clinical trial:

Trial Title: Effects of Multiple Concussions in Retired NHL Players

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

Eligibility Criteria:
Inclusion Criteria:~* Retired professional NHL player~* History or reported concussion and concussion like symptoms~Exclusion Criteria:~* Any neurological condition~* Non sport related head trauma

- Gender: MALE
- Minimum Age: 40 Years
- Maximum Age: 80 Years
- Healthy Volunteers: t

Study Arms:
- Case / Retired NHL Players (Type: None): All interventions for this group are described below:~Sensory Organization Test (SOT): Balance and proprioception test~Connor's Adult ADHD Rating Scale (CAARS): A computer based questionnaire used to measure the presence of adult attention deficit hyperactivity disorder.~Beck's Depression Inventory: A 21 question multiple choice self report measuring the severity of depression~Patient Health Questionnaire 9 (PHQ-9): Self administered screening questionnaire for mental health disorders~Montreal Cognitive Assessment (MoCA): A validated screening tool to assess cognitive mild impairment~Blood/Urine/Saliva Biomarker analysis: These samples will be analyzed for relevant biomarkers
- Age Matched Controls (Type: None): All interventions for this group are described below:~Sensory Organization Test (SOT): Balance and proprioception test~Connor's Adult ADHD Rating Scale (CAARS): A computer based questionnaire used to measure the presence of adult attention deficit hyperactivity disorder.~Beck's Depression Inventory: A 21 question multiple choice self report measuring the severity of depression~Patient Health Questionnaire 9 (PHQ-9): Self administered screening questionnaire for mental health disorders~Montreal Cognitive Assessment (MoCA): A validated screening tool to assess cognitive mild impairment~Blood/Urine/Saliva Biomarker analysis: These samples will be analyzed for relevant biomarkers

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