Which of the following is NOT characteristic for Libman-Sacks endocarditis? a. Deposition of only sterile fibrin and platelets on cardiac valves b. Small sterile vegetations on mitral & tricuspid valves. c. Vegetations consist of finely granular eosinophilic material +- fibrinoid necrosis of the valve d. Associated with the presence of antiphospholipid anti-bodies in patients with Systemic lupus erythematosus. e. May lead to valve incompetence