| article html file updated | 11 February 2020 10:03 CET | Update | https://www.mdpi.com/1996-1073/12/2/304 |
| article html file updated | 13 October 2019 14:39 CEST | Update | N/A |
| article html file updated | 27 April 2019 04:19 CEST | Update | N/A |
| article html file updated | 13 April 2019 00:23 CEST | Update | N/A |
| article html file updated | 3 April 2019 06:03 CEST | Update | N/A |
| article html file updated | 29 January 2019 13:10 CET | Update | N/A |
| article html file updated | 18 January 2019 13:25 CET | Original file | N/A |
| article pdf uploaded. | 18 January 2019 13:23 CET | Version of Record | https://www.mdpi.com/1996-1073/12/2/304/pdf |
| article xml uploaded. | 18 January 2019 13:23 CET | Update | https://www.mdpi.com/1996-1073/12/2/304/xml |
| article xml file uploaded | 18 January 2019 13:23 CET | Original file | N/A |