Breath Analysis Using an Electronic Nose in Non Alcoholic Fatty Liver Disease

Patients and Healthy volunteers ( as defined in 3 cohorts) will breath into disposable, once-use only bacterial filter channeled into electronic device comprising on sensors capable to reacting to organic compounds. Breathing manoeuvre will be simple, non-exertional and relaxed. 2 breathing manoeuvres will be performed and sensor responses will be captured.