Co-producing an online patient public community research hub: a qualitative study exploring the perspectives of national institute for health research (NIHR) research champions in England. - Hoverd, Eleanor; Staniszewska, Sophie; Dale, Jeremy; Spencer, Rachel; Devrell, Anne; Khan, Dena; Lamouline, Carrol; Saleem, Sanya; Smith, Pam (Research Involvement & Engagement, 2024)