| article html file updated | 7 February 2020 11:54 CET | Update | https://www.mdpi.com/1996-1944/9/7/591 |
| article html file updated | 5 May 2019 09:46 CEST | Update | N/A |
| article html file updated | 27 March 2019 10:41 CET | Update | N/A |
| article html file updated | 29 July 2016 11:05 CEST | Update | N/A |
| article html file updated | 19 July 2016 13:40 CEST | Original file | N/A |
| article xml uploaded. | 19 July 2016 13:39 CEST | Update | https://www.mdpi.com/1996-1944/9/7/591/xml |
| article pdf uploaded. | 19 July 2016 13:39 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/7/591/pdf |
