| article html file updated | 7 February 2020 18:01 CET | Update | https://www.mdpi.com/1996-1944/9/11/928 |
| article html file updated | 4 May 2019 22:31 CEST | Update | - |
| article html file updated | 30 November 2016 05:59 CET | Update | - |
| article html file updated | 15 November 2016 12:51 CET | Original file | - |
| article xml uploaded. | 15 November 2016 12:50 CET | Update | https://www.mdpi.com/1996-1944/9/11/928/xml |
| article xml uploaded. | 15 November 2016 12:50 CET | Original file | - |
| article pdf uploaded. | 15 November 2016 12:50 CET | Version of Record | https://www.mdpi.com/1996-1944/9/11/928/pdf |
