| article html file updated | 11 February 2020 18:11 CET | Update | https://www.mdpi.com/1996-1944/12/4/669 |
| article html file updated | 15 October 2019 13:13 CEST | Update | N/A |
| article html file updated | 26 April 2019 12:12 CEST | Update | N/A |
| article html file updated | 12 April 2019 07:41 CEST | Update | N/A |
| article html file updated | 4 April 2019 02:24 CEST | Update | N/A |
| article html file updated | 1 March 2019 11:17 CET | Update | N/A |
| article html file updated | 24 February 2019 02:00 CET | Original file | N/A |
| article pdf uploaded. | 23 February 2019 10:16 CET | Version of Record | https://www.mdpi.com/1996-1944/12/4/669/pdf |
| article xml uploaded. | 23 February 2019 10:16 CET | Update | https://www.mdpi.com/1996-1944/12/4/669/xml |
| article xml file uploaded | 23 February 2019 10:16 CET | Original file | N/A |
