1. Christiana Care Health System, Value Institute, John H. Ammon Medical Education Center, Newark, DE, USA (MC, KDW)
2. Department of Industrial and Systems Engineering, University of Tennessee, Knoxville, TN, USA (AK)
3. Industrial and Operations Engineering and Urology, University of Michigan, Ann Arbor, MI, USA (BTD)
4. Georgia Institute of Technology H Milton Stewart School of Industrial and Systems Engineering, Center for Health & Humanitarian Systems, Atlanta, GA, USA (TA)
5. Harvard University, Harvard Medical School, Institute for Technology Assessment; Massachusetts General Hospital, Boston, MA, USA (JC)