| article html file updated | 9 February 2020 14:19 CET | Update | https://www.mdpi.com/2072-666X/9/4/191 |
| article html file updated | 2 October 2019 17:47 CEST | Update | - |
| article html file updated | 1 May 2019 02:31 CEST | Update | - |
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| article html file updated | 29 March 2019 16:49 CET | Update | - |
| article html file updated | 1 May 2018 13:16 CEST | Update | - |
| article html file updated | 18 April 2018 11:36 CEST | Original file | - |
| article xml uploaded. | 18 April 2018 11:35 CEST | Original file | https://www.mdpi.com/2072-666X/9/4/191/xml |
| article pdf uploaded. | 18 April 2018 11:35 CEST | Version of Record | https://www.mdpi.com/2072-666X/9/4/191/pdf |
