Data Requirements for a Patient-Centered Learning Health System. - Lysanne Lessard; Antoine Sauré; Agnes Grudniewicz; William Gardner; James King; Wojtek Michalowski; David Murphy; Kathleen Pajer; Elyse Schipper; Sinthuja Suntharalingam; Raphaël Ménard-Grenier; Michael Cheng (AMIA, 2019)