| article html file updated | 7 February 2020 17:33 CET | Update | https://www.mdpi.com/1996-1944/9/11/897 |
| article html file updated | 4 May 2019 23:25 CEST | Update | - |
| article html file updated | 30 November 2016 05:43 CET | Update | - |
| article html file updated | 8 November 2016 04:57 CET | Update | - |
| article xml uploaded. | 8 November 2016 04:55 CET | Update | https://www.mdpi.com/1996-1944/9/11/897/xml |
| article xml uploaded. | 8 November 2016 04:55 CET | Update | - |
| article xml uploaded. | 8 November 2016 04:55 CET | Update | - |
| article pdf uploaded. | 8 November 2016 04:55 CET | Updated version of record | https://www.mdpi.com/1996-1944/9/11/897/pdf |
| article html file updated | 4 November 2016 12:41 CET | Original file | - |
| article xml uploaded. | 4 November 2016 12:40 CET | Update | - |
| article xml uploaded. | 4 November 2016 12:40 CET | Original file | - |
| article pdf uploaded. | 4 November 2016 12:40 CET | Version of Record | https://www.mdpi.com/1996-1944/9/11/897/pdf-vor |
