| article html file updated | 7 February 2020 17:20 CET | Update | https://www.mdpi.com/1996-1944/9/11/888 |
| article html file updated | 4 May 2019 23:49 CEST | Update | - |
| article html file updated | 30 November 2016 05:34 CET | Update | - |
| article html file updated | 1 November 2016 09:52 CET | Original file | - |
| article xml uploaded. | 1 November 2016 09:51 CET | Update | https://www.mdpi.com/1996-1944/9/11/888/xml |
| article xml uploaded. | 1 November 2016 09:51 CET | Original file | - |
| article pdf uploaded. | 1 November 2016 09:51 CET | Version of Record | https://www.mdpi.com/1996-1944/9/11/888/pdf |
