Please assess the completion status of the following clinical trial:

Trial Title: Chronic Cough and Small Fiber Neuropathy

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: OTHER
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~In diabetic patients with chronic cough:~* Chronic cough defined by cough for more than 8 weeks.~* Normal chest X-ray~* history of type 2 diabetes~* Age of diabetes onset\> 40 years~* Affiliated or beneficiary person of social security~* Free, informed and written consent~In diabetic patients without chronic cough~* History of type 2 diabetes~* Age of discovery of diabetes\> 40 years~* Affiliated or beneficiary person of social security~* Free, informed and written consent~Exclusion Criteria:~* Presence of physical signs of peripheral neuropathy~* Active smoking or smoking cessation within the last 12 months~* Pregnant or lactating woman~* History of non-type 2 diabetes (type I, secondary diabetes, monogenic ...)~* Cancer within the last 5 years (except cutaneous squamous cell carcinoma)~* History of anti-cancer chemotherapy~* Suspicion of autoimmune pathology~* Active neurological pathology~* Electromyography in favor of large fiber neuropathy~* Chronic pathology that may interfere with the neurophysiological assessment~* Patient who were given anticoagulation drug therapy, anti-cholinergic drugs, beta-blocker and impossibility to withdraw the treatment before neurophysiological tests~In diabetic patients without chronic cough, another non-inclusion criteria is acute or chronic cough

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

Study Arms:
- Diabetic patients with chronic cough (Type: OTHER): Diabetic patients with chronic cough defined by cough lasting for more than 8 weeks. Cough assessment, neurological tests and cardiovascular tests and skin biopsy.
- Diabetic patients without chronic cough (Type: OTHER): Diabetic patients without chronic cough defined by cough lasting for more than 8 weeks. Cough assessment, neurological tests and cardiovascular tests and skin biopsy.

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