Predicting perinatal health outcomes using smartphone-based digital phenotyping and machine learning in a prospective Swedish cohort (Mom2B): study protocol AM Bilal, E Fransson, E Bränn, A Eriksson, M Zhong, K Gidén, U Elofsson, ... BMJ open 12 (4), e059033, 2022 | 11 | 2022 |