| article html file updated | 9 February 2020 09:43 CET | Update | https://www.mdpi.com/1996-1944/11/3/421 |
| article html file updated | 1 October 2019 14:24 CEST | Update | - |
| article html file updated | 1 May 2019 12:00 CEST | Update | - |
| article html file updated | 17 April 2019 11:46 CEST | Update | - |
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| article html file updated | 27 March 2018 13:24 CEST | Update | - |
| article html file updated | 13 March 2018 17:09 CET | Original file | - |
| article xml uploaded. | 13 March 2018 17:07 CET | Update | https://www.mdpi.com/1996-1944/11/3/421/xml |
| article pdf uploaded. | 13 March 2018 17:07 CET | Version of Record | https://www.mdpi.com/1996-1944/11/3/421/pdf |
