| article html file updated | 6 February 2020 22:25 CET | Update | https://www.mdpi.com/2077-1444/6/3/1048 |
| article html file updated | 21 September 2019 02:51 CEST | Update | N/A |
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| article xml file uploaded | 13 October 2015 11:54 CEST | Update | https://www.mdpi.com/2077-1444/6/3/1048/xml |
| article html file updated | 22 September 2015 12:00 CEST | Original file | N/A |
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| article pdf uploaded. | 2 September 2015 17:23 CEST | Version of Record | https://www.mdpi.com/2077-1444/6/3/1048/pdf |