| article html file updated | 7 February 2020 11:59 CET | Update | https://www.mdpi.com/1996-1944/9/7/596 |
| 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 11:08 CEST | Update | N/A |
| article html file updated | 20 July 2016 12:07 CEST | Original file | N/A |
| article xml uploaded. | 20 July 2016 12:06 CEST | Original file | https://www.mdpi.com/1996-1944/9/7/596/xml |
| article pdf uploaded. | 20 July 2016 12:06 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/7/596/pdf |
