1. Erin Trish ( ) is an assistant research professor at the Leonard D. Schaeffer Center for Health Policy and Economics, University of Southern California, in Los Angeles.
2. Jianhui Xu is a doctoral student at the Leonard D. Schaeffer Center for Health Policy and Economics, University of Southern California.
3. Geoffrey Joyce is an associate professor at the Leonard D. Schaeffer Center for Health Policy and Economics, University of Southern California.