Empowering Patients to Address Diabetes Care Gaps: Usability Study of a Novel Patient Portal Intervention. - William Martinez; Jared Cobb; Sapna Gangaputra; Amber J. Hackstadt; Lindsay Mayberry; Lyndsay Nelson; Neeraja Peterson; S. Trent Rosenbloom; Zhihong Yu; Tom Elasy (AMIA, 2022)