- Correspondence to Dr H. Rex Gaskins, University of Illinois at Urbana-Champaign, 1206 W. Gregory Drive, Urbana, IL 61801, USA; OR Dr Nathan A Ellis, University of Arizona Cancer Center, 1515 N Campbell Ave, Tucson, AZ 85724, USA;
- Received November 8, 2016
- Revised December 21, 2016
- Accepted January 4, 2017
- First published February 2, 2017.
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