| article html file updated | 7 February 2020 11:59 CET | Update | https://www.mdpi.com/1996-1944/9/7/597 |
| article html file updated | 5 May 2019 09:37 CEST | Update | N/A |
| article html file updated | 27 March 2019 10:51 CET | Update | N/A |
| article html file updated | 29 July 2016 11:09 CEST | Update | N/A |
| article html file updated | 20 July 2016 13:02 CEST | Original file | N/A |
| article xml uploaded. | 20 July 2016 13:01 CEST | Update | https://www.mdpi.com/1996-1944/9/7/597/xml |
| article pdf uploaded. | 20 July 2016 13:01 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/7/597/pdf |
