<qa>  What is the name of the disease that may affect the outcome of this study?- Past or present disease, which as judged by the investigator, may affect the outcome of this study. These diseases include, but are not limited to, cardiovascular disease, malignancy, hepatic disease, renal disease, haematological disease, neurological disease, endocrine disease or pulmonary disease including but not confined to chronic bronchitis, emphysema, tuberculosis, bronchiectasis or cystic fibrosis. 