| article html file updated | 7 February 2020 10:43 CET | Update | https://www.mdpi.com/1996-1944/9/7/511 |
| article html file updated | 5 May 2019 11:55 CEST | Update | N/A |
| article html file updated | 27 March 2019 08:27 CET | Update | N/A |
| article html file updated | 29 July 2016 10:31 CEST | Update | N/A |
| article html file updated | 24 June 2016 12:32 CEST | Original file | N/A |
| article xml uploaded. | 24 June 2016 12:31 CEST | Original file | https://www.mdpi.com/1996-1944/9/7/511/xml |
| article pdf uploaded. | 24 June 2016 12:31 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/7/511/pdf |
