- Has a history of uncontrolled diabetes, unstable ischemic heart disease, congestive heart failure, New York Heart Association (NYHA) III, IV, recent stroke (within three months), chronic leg ulcer and any other condition (e.g., indwelling urinary catheter) which, in the opinion of the Investigator, would put the subject at risk by participation in the protocol or who would make the subject unsuitable for the study.