Patient Portal Adoption Rates: A Systematic Literature Review and Meta-Analysis Stud Health Technol Inform. 2017;245:79-83. Authors Paolo Fraccaro 1 , Markel Vigo 2 , Panagiotis Balatsoukas 3 , Iain E Buchan 1 , Niels Peek 1 , Sabine N van der Veer 3 Affiliations 1 NIHR Greater Manchester Primary Care Patient Safety ....