Interventions to increase patient portal use in vulnerable populations: a systematic review J Am Med Inform Assoc. 2019 Aug 1;26(8-9):855-870. doi: 10.1093/jamia/ocz023. Authors Lisa V Grossman 1 , Ruth M Masterson Creber 2 , Natalie C Benda 2 , Drew Wright 3 , David K Vawdrey 1 4 , Jessica S Ancker 2 ....