| article html file updated | 7 February 2020 11:45 CET | Update | https://www.mdpi.com/1996-1944/9/7/576 |
| article html file updated | 5 May 2019 10:03 CEST | Update | - |
| article html file updated | 27 March 2019 10:22 CET | Update | - |
| article html file updated | 29 July 2016 10:58 CEST | Update | - |
| article html file updated | 15 July 2016 11:03 CEST | Original file | - |
| article xml uploaded. | 15 July 2016 11:02 CEST | Update | https://www.mdpi.com/1996-1944/9/7/576/xml |
| article pdf uploaded. | 15 July 2016 11:02 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/7/576/pdf |
