| article html file updated | 7 February 2020 19:38 CET | Update | https://www.mdpi.com/1996-1073/9/12/1058 |
| article html file updated | 22 September 2019 11:36 CEST | Update | - |
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| article html file updated | 28 December 2016 09:05 CET | Update | - |
| article html file updated | 14 December 2016 11:57 CET | Original file | - |
| article xml uploaded. | 14 December 2016 11:55 CET | Original file | https://www.mdpi.com/1996-1073/9/12/1058/xml |
| article pdf uploaded. | 14 December 2016 11:55 CET | Version of Record | https://www.mdpi.com/1996-1073/9/12/1058/pdf |
