| article html file updated | 7 February 2020 07:53 CET | Update | https://www.mdpi.com/1996-1944/9/5/315 |
| article html file updated | 5 May 2019 17:23 CEST | Update | N/A |
| article html file updated | 27 March 2019 03:09 CET | Update | N/A |
| article html file updated | 27 May 2016 08:00 CEST | Update | N/A |
| article html file updated | 27 April 2016 14:14 CEST | Original file | N/A |
| article xml uploaded. | 27 April 2016 14:12 CEST | Update | https://www.mdpi.com/1996-1944/9/5/315/xml |
| article pdf uploaded. | 27 April 2016 14:12 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/5/315/pdf |
