Behavioral and psychosocial effects of rapid genetic counseling and testing in newly diagnosed breast cancer patients: Design of a multicenter randomized clinical trial oleh Valdimarsdottir Heiddis B, van der Luijt Rob B, Hogervorst Frans BL, Hahn Daniela EE, Bleiker Eveline MA, Verhoef Senno, Ausems Margreet GEM, Wevers Marijke R, van Hillegersberg Richard, Rutgers Emiel, Aaronson Neil K