- Correspondence to Dr David T Levy, Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, 3300 Whitehaven St, NW, Suite 4100, Washington, DC 20007, USA;
- Received 19 March 2017
- Revised 11 July 2017
- Accepted 5 August 2017
- Published in print 1 January 2018.
- Published online 18 December 2017.
- Published first 2 October 2017.
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.