- Correspondence to Dr William V Padula, Leonard D. Schaeffer Center for Health Policy & Economics, 635 Downey Way (VPD), University of Southern California, Los Angeles, CA, USA;
- Accepted August 31, 2020
- First published September 25, 2020.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.