- Correspondence to Dr Guillermo Paraje, Business School, Universidad Adolfo Ibáñez, 2640 Avenida Diagonal Las Torres, Peñalolen, Santiago de Chile 7910000, Chile;
- Received 29 May 2017
- Revised 25 August 2017
- Accepted 5 September 2017
- Published online 6 October 2017.
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