Lipid profile (total cholesterol, LDL, HDL and triglycerides) will be measured. Blood pressure in triplicate will be measured in supine position (1 hour before regular endomyocardial biopsies). Glycemic control will be quantified by measurements of Hemoglobin A1 level, plasma glucose. Cytomegalovirus (CMV) status will be measured by immunoglobulin G (IgG), immunoglobulin M (IgM) titers.