| article html file updated | 9 February 2020 05:25 CET | Update | https://www.mdpi.com/1996-1944/11/2/233 |
| article html file updated | 30 September 2019 12:05 CEST | Update | - |
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| article html file updated | 14 March 2018 15:38 CET | Update | - |
| article html file updated | 3 February 2018 10:18 CET | Original file | - |
| article xml uploaded. | 3 February 2018 10:16 CET | Original file | https://www.mdpi.com/1996-1944/11/2/233/xml |
| article pdf uploaded. | 3 February 2018 10:16 CET | Version of Record | https://www.mdpi.com/1996-1944/11/2/233/pdf |
