| article html file updated | 9 February 2020 06:05 CET | Update | https://www.mdpi.com/1996-1944/11/2/271 |
| article html file updated | 30 September 2019 16:05 CEST | Update | N/A |
| article html file updated | 1 May 2019 19:41 CEST | Update | N/A |
| article html file updated | 17 April 2019 18:49 CEST | Update | N/A |
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| article html file updated | 14 March 2018 15:56 CET | Update | N/A |
| article html file updated | 9 February 2018 17:40 CET | Original file | N/A |
| article xml uploaded. | 9 February 2018 17:38 CET | Original file | https://www.mdpi.com/1996-1944/11/2/271/xml |
| article pdf uploaded. | 9 February 2018 17:38 CET | Version of Record | https://www.mdpi.com/1996-1944/11/2/271/pdf |
