“…Although Delphi studies might simultaneously include different types of stakeholders to answer a common research question, such as health professionals, researchers, caregivers, and patients (Barrington et al, 2021), we used separate groups of BC patients and health professionals to answer two different research questions, to avoid the frequent under-representation of patients in these combined groups (Barrington et al, 2021) and following the methodology of previous Delphi studies carried out (Torres-Castaño et al, 2021). To promote person-centred care, it is opportune to identify the disease-related information needs from the specific patients' perspectives and experiences (Ellis et al, 2022). However, identifying and prioritising specific BC research needs, to inform future research agendas, takes advances of the scientific or professional background in what has already been researched (Shaw et al, 2021).…”