| article html file updated | 7 February 2020 19:41 CET | Update | https://www.mdpi.com/2072-666X/7/12/234 |
| article html file updated | 22 September 2019 11:52 CEST | Update | - |
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| article html file updated | 27 December 2016 11:35 CET | Update | - |
| article html file updated | 15 December 2016 14:51 CET | Original file | - |
| article xml uploaded. | 15 December 2016 14:49 CET | Original file | https://www.mdpi.com/2072-666X/7/12/234/xml |
| article pdf uploaded. | 15 December 2016 14:49 CET | Version of Record | https://www.mdpi.com/2072-666X/7/12/234/pdf |
