- Correspondence to Dr V Paul Doria-Rose, Health Services and Economics Branch, Applied Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, 9609 Medical Center Drive, Room 3E438, Bethesda, MD 20892-9762, USA;
- Received May 24, 2014
- Revised November 15, 2014
- Accepted November 20, 2014
- First published December 15, 2014.
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