Caregivers' role in using a personal electronic health record: a qualitative study of cancer patients and caregivers in Germany. - Aline Weis; Sabrina Pohlmann; Regina Poss-Doering; Beate Strauss; Charlotte Ullrich; Helene Hofmann; Dominik Ose; Eva C. Winkler; Joachim Szecsenyi; Michel Wensing (BMC Medical Informatics Decis. Mak., 2020)