| article html file updated | 7 February 2020 17:09 CET | Update | https://www.mdpi.com/1996-1944/9/11/879 |
| article html file updated | 5 May 2019 00:07 CEST | Update | N/A |
| article html file updated | 30 November 2016 05:29 CET | Update | N/A |
| article html file updated | 28 October 2016 14:46 CEST | Original file | N/A |
| article xml uploaded. | 28 October 2016 14:45 CEST | Update | https://www.mdpi.com/1996-1944/9/11/879/xml |
| article xml uploaded. | 28 October 2016 14:45 CEST | Update | N/A |
| article xml uploaded. | 28 October 2016 14:45 CEST | Original file | N/A |
| article pdf uploaded. | 28 October 2016 14:45 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/11/879/pdf |
