- Correspondence to Dr D Bar-Or, Swedish Medical Center, 501 E Hampden Ave, Englewood, CO 80113, USA;
- Received 26 August 2016
- Revised 5 October 2016
- Accepted 10 October 2016
- Published in print 1 November 2017.
- Published online 13 October 2017.
- Published first 3 November 2016.
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