Parikh Ravi B, Obermeyer Ziad, Navathe Amol S
Perelman School of Medicine and Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, PA, USA.
Division of Health Policy and Management, School of Public Health, University of California at Berkeley, Berkeley, CA, USA.
Science. 2019 Feb 22;363(6429):810-812. doi: 10.1126/science.aaw0029.