- Correspondence to Dr Georg E Matt, Department of Psychology, San Diego State University, San Diego, CA 92182-4611, USA;
- Received 14 April 2016
- Revised 3 August 2016
- Accepted 24 August 2016
- Published in print 1 September 2017.
- Published online 22 August 2017.
- Published first 21 September 2016.
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