| article html file updated | 7 February 2020 17:16 CET | Update | https://www.mdpi.com/1996-1944/9/11/841 |
| article html file updated | 4 May 2019 23:54 CEST | Update | N/A |
| article html file updated | 30 November 2016 05:09 CET | Update | N/A |
| article html file updated | 31 October 2016 11:24 CET | Original file | N/A |
| article xml uploaded. | 31 October 2016 11:23 CET | Update | https://www.mdpi.com/1996-1944/9/11/841/xml |
| article xml uploaded. | 31 October 2016 11:23 CET | Original file | N/A |
| article pdf uploaded. | 31 October 2016 11:23 CET | Version of Record | https://www.mdpi.com/1996-1944/9/11/841/pdf |
