<qa>  What is the most common condition that may interfere with the interpretation of the study results?3. Presence of Diabetes mellitus, Human immunodeficiency virus HIV infection, cardiac disease hypertension; congestive heart failure etc., renal disease chronic or acute renal failure or insufficiency, respiratory disease asthma requiring chronic treatment; chronic obstructive pulmonary disease or any other condition that may interfere with the interpretation of the study results or not be in the best interest of the subject in the opinion of the investigator. 