| article html file updated | 6 February 2020 10:47 CET | Update | https://www.mdpi.com/2218-273X/4/3/704 |
| article html file updated | 20 September 2019 10:35 CEST | Update | N/A |
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| article xml file uploaded | 11 October 2014 03:50 CEST | Update | https://www.mdpi.com/2218-273X/4/3/704/xml |
| article html file updated | 25 July 2014 12:11 CEST | Original file | N/A |
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| article pdf uploaded. | 17 July 2014 14:59 CEST | Version of Record | https://www.mdpi.com/2218-273X/4/3/704/pdf |