| article html file updated | 7 February 2020 19:04 CET | Update | https://www.mdpi.com/1996-1073/9/12/1024 |
| article html file updated | 22 September 2019 08:43 CEST | Update | - |
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| article html file updated | 28 December 2016 08:58 CET | Update | - |
| article html file updated | 3 December 2016 10:38 CET | Original file | - |
| article xml uploaded. | 3 December 2016 10:37 CET | Original file | https://www.mdpi.com/1996-1073/9/12/1024/xml |
| article pdf uploaded. | 3 December 2016 10:37 CET | Version of Record | https://www.mdpi.com/1996-1073/9/12/1024/pdf |
