| article html file updated | 7 February 2020 13:41 CET | Update | https://www.mdpi.com/1996-1944/9/8/709 |
| article html file updated | 5 May 2019 06:27 CEST | Update | N/A |
| article html file updated | 27 March 2019 14:22 CET | Update | N/A |
| article html file updated | 26 August 2016 07:15 CEST | Update | N/A |
| article html file updated | 22 August 2016 12:19 CEST | Original file | N/A |
| article xml uploaded. | 22 August 2016 12:18 CEST | Update | https://www.mdpi.com/1996-1944/9/8/709/xml |
| article xml uploaded. | 22 August 2016 12:18 CEST | Original file | N/A |
| article pdf uploaded. | 22 August 2016 12:18 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/8/709/pdf |
