| article html file updated | 9 February 2020 04:45 CET | Update | https://www.mdpi.com/1996-1944/11/2/209 |
| article html file updated | 30 September 2019 07:56 CEST | Update | N/A |
| article html file updated | 1 May 2019 22:41 CEST | Update | N/A |
| article html file updated | 17 April 2019 21:21 CEST | Update | N/A |
| article html file updated | 28 March 2019 19:15 CET | Update | N/A |
| article html file updated | 14 March 2018 15:26 CET | Update | N/A |
| article html file updated | 29 January 2018 15:21 CET | Original file | N/A |
| article xml uploaded. | 29 January 2018 15:19 CET | Original file | https://www.mdpi.com/1996-1944/11/2/209/xml |
| article pdf uploaded. | 29 January 2018 15:19 CET | Version of Record | https://www.mdpi.com/1996-1944/11/2/209/pdf |
