<qa>  What is the condition that is well controlled?Congestive heart failure NYHA Class II, III, or IV, unstable angina, ventricular or hemodynamically significant atrial arrhythmia, or cardiovascular disease such as stroke or myocardial infarction current or within the past 6 months Confirmed positive for HIV, hepatitis B, and or hepatitis C. Immunodeficiency or splenectomy. History of or active autoimmune disease, persons with vitiligo are not excluded. Diabetics are not excluded if the condition is well controlled. 