| article html file updated | 7 February 2020 12:06 CET | Update | https://www.mdpi.com/1996-1944/9/7/606 |
| article html file updated | 5 May 2019 09:25 CEST | Update | - |
| article html file updated | 27 March 2019 11:03 CET | Update | - |
| article html file updated | 29 July 2016 11:14 CEST | Update | - |
| article html file updated | 21 July 2016 15:01 CEST | Original file | - |
| article xml uploaded. | 21 July 2016 14:59 CEST | Update | https://www.mdpi.com/1996-1944/9/7/606/xml |
| article pdf uploaded. | 21 July 2016 14:59 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/7/606/pdf |
