| article html file updated | 7 February 2020 18:36 CET | Update | https://www.mdpi.com/1996-1944/9/12/961 |
| article html file updated | 22 September 2019 06:56 CEST | Update | - |
| article html file updated | 4 May 2019 21:22 CEST | Update | - |
| article html file updated | 28 December 2016 10:32 CET | Update | - |
| article html file updated | 28 December 2016 07:51 CET | Update | - |
| article html file updated | 27 December 2016 10:44 CET | Update | - |
| article html file updated | 25 November 2016 10:00 CET | Original file | - |
| article xml uploaded. | 25 November 2016 09:59 CET | Update | https://www.mdpi.com/1996-1944/9/12/961/xml |
| article xml uploaded. | 25 November 2016 09:59 CET | Update | - |
| article xml uploaded. | 25 November 2016 09:59 CET | Original file | - |
| article pdf uploaded. | 25 November 2016 09:59 CET | Version of Record | https://www.mdpi.com/1996-1944/9/12/961/pdf |
