title: Erratum to: 'Recruitment challenges in clinical research including cancer patients and their caregivers. A randomized controlled trial study and lessons learned'.
authors.affiliation: Center for Shared Decision Making and Collaborative Care Research, Oslo University Hospital, Oslo, Norway.
authors.forename: Karin
authors.initials: K
authors.lastname: Sygna
authors.affiliation: Center for Shared Decision Making and Collaborative Care Research, Oslo University Hospital, Oslo, Norway. sjh@ous-hf.no.|Division of Cancer, Surgery and Transplantation, Department of Oncology, Oslo University Hospital, Radium Hospital, Oslo, Norway. sjh@ous-hf.no.|Oslo and Akershus University College of Applied Sciences, Faculty of Health Science, Oslo, Norway. sjh@ous-hf.no.
authors.forename: Safora
authors.initials: S
authors.lastname: Johansen
authors.affiliation: Center for Shared Decision Making and Collaborative Care Research, Oslo University Hospital, Oslo, Norway.|Department of Medicine, University of Oslo, Oslo, Norway.
authors.forename: Cornelia M
authors.initials: CM
authors.lastname: Ruland