1. Christopher M. Whaley () is a policy researcher in health care at the RAND Corporation in Santa Monica, California.
2. Xiaoxi Zhao is a PhD student in the Department of Economics, Boston University, in Boston, Massachusetts.
3. Michael Richards is an associate professor of economics at Baylor University, in Waco, Texas.
4. Cheryl L. Damberg is the RAND Distinguished Chair in Health Care Payment Policy and a principal senior researcher at the RAND Corporation in Santa Monica.