| article html file updated | 9 February 2020 02:08 CET | Update | https://www.mdpi.com/1996-1944/11/1/79 |
| article html file updated | 29 September 2019 17:01 CEST | Update | - |
| article html file updated | 2 May 2019 04:08 CEST | Update | - |
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| article html file updated | 1 February 2018 14:32 CET | Update | - |
| article html file updated | 5 January 2018 15:13 CET | Original file | - |
| article xml uploaded. | 5 January 2018 15:12 CET | Original file | https://www.mdpi.com/1996-1944/11/1/79/xml |
| article pdf uploaded. | 5 January 2018 15:12 CET | Version of Record | https://www.mdpi.com/1996-1944/11/1/79/pdf |
