Cuzick, Jack, DeCensi, Andrea, Vogel, Victor, Zwierzina, Heinz, Arun, Banu, Brown, Powell H., Castiglione, Monica, Dunn, Barbara, Forbes, John F., Glaus, Agnes, Howell, Anthony, Von Minckwitz , Gunter. The Lancet Publishing Group; 2011. Preventive therapy for breast cancer: a consensus statement.