| article html file updated | 9 February 2020 10:56 CET | Update | https://www.mdpi.com/1996-1944/11/4/481 |
| article html file updated | 1 October 2019 21:32 CEST | Update | N/A |
| article html file updated | 1 May 2019 09:23 CEST | Update | N/A |
| article html file updated | 17 April 2019 09:18 CEST | Update | N/A |
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| article html file updated | 23 March 2018 08:38 CET | Original file | N/A |
| article xml uploaded. | 23 March 2018 08:36 CET | Update | https://www.mdpi.com/1996-1944/11/4/481/xml |
| article pdf uploaded. | 23 March 2018 08:36 CET | Version of Record | https://www.mdpi.com/1996-1944/11/4/481/pdf |