| article html file updated | 7 February 2020 11:28 CET | Update | https://www.mdpi.com/1996-1944/9/7/558 |
| article html file updated | 5 May 2019 10:34 CEST | Update | - |
| article html file updated | 27 March 2019 09:51 CET | Update | - |
| article html file updated | 29 July 2016 10:47 CEST | Update | - |
| article html file updated | 9 July 2016 11:52 CEST | Original file | - |
| article xml uploaded. | 9 July 2016 11:50 CEST | Update | https://www.mdpi.com/1996-1944/9/7/558/xml |
| article pdf uploaded. | 9 July 2016 11:50 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/7/558/pdf |
