Research and Applications Implementation of acute care patient portals: recommendations on utility and use from six early adopters Lisa V Grossman,1 Sung W Choi,2 Sarah Collins,3,4,5 Patricia C Dykes,4,5 Kevin J O'Leary,6 Milisa Rizer,7 Philip Strong,8 Po-Yin Yen,7 and David K Vawdrey1,9 1Department of Biomedical Informatics, Columbia University, New York, NY, USA, 2Department of Pediatrics ....