- Correspondence to Dr J Lee Westmaas, Behavioral Research Center, American Cancer Society, 250 Williams St. NW, Atlanta, GA 30312, USA;
- Received 18 March 2016
- Revised 13 March 2017
- Accepted 21 March 2017
- Published in print 17 May 2017.
- Published online 18 May 2017.
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