| article html file updated | 7 February 2020 11:55 CET | Update | https://www.mdpi.com/1996-1944/9/7/594 |
| article html file updated | 5 May 2019 09:45 CEST | Update | - |
| article html file updated | 27 March 2019 10:42 CET | Update | - |
| article html file updated | 29 July 2016 11:07 CEST | Update | - |
| article html file updated | 19 July 2016 12:14 CEST | Original file | - |
| article xml uploaded. | 19 July 2016 12:13 CEST | Original file | https://www.mdpi.com/1996-1944/9/7/594/xml |
| article pdf uploaded. | 19 July 2016 12:13 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/7/594/pdf |
