Bump2Baby & Me+ (B2B&Me+): Protocol for a multi-country, European hybrid type 3 implementation-effectiveness study to reduce the incidence of gestational diabetes mellitus and improve maternal and child health - Sharleen L. O’Reilly; Thérèse McDonnell; Linda Reme Sagedal; Mercedes G. Bermúdez; Florian Herrmann; Hanna Jasiak-Jóźwik; Nina Cecilie Øverby; Hilde Kristin Refvik Riise; Fionnuala McAuliffe; Helle T. Maindal; Laura Headley; Cristina Campoy; et al. (PLOS One, 2026)