Migrating from One Comprehensive Commercial EHR to Another: Perceptions of Front-line Clinicians and Staff - Tera L. Reynolds; Brian J. Clay; Scott Rudkin; Sara Beckham; Danielle Perret; Joshua Glandorf; Pat Patton; Chris Longhurst; Kai Zheng (AMIA 2019, American Medical Informatics Association Annual Symposium, Washington, DC, USA, November 16-20, 2019, 2019)