| article html file updated | 7 February 2020 17:53 CET | Update | https://www.mdpi.com/1996-1944/9/11/919 |
| article html file updated | 4 May 2019 22:45 CEST | Update | - |
| article html file updated | 30 November 2016 05:56 CET | Update | - |
| article html file updated | 11 November 2016 11:51 CET | Original file | - |
| article xml uploaded. | 11 November 2016 11:50 CET | Update | https://www.mdpi.com/1996-1944/9/11/919/xml |
| article xml uploaded. | 11 November 2016 11:50 CET | Update | - |
| article xml uploaded. | 11 November 2016 11:50 CET | Original file | - |
| article pdf uploaded. | 11 November 2016 11:50 CET | Version of Record | https://www.mdpi.com/1996-1944/9/11/919/pdf |
