The patients’ active role in managing a personal electronic health record: a qualitative analysis - Baudendistel, Ines; Winkler, Eva C.; Kamradt, Martina; Berger, Sarah; Bernhard, Gerda; Eckrich, Felicitas; Heinze, Oliver; Bergh, Björn; Szecsenyi, Joachim; Ose, Dominik (Supportive care in cancer, 2015)