| article html file updated | 7 February 2020 18:20 CET | Update | https://www.mdpi.com/1996-1944/9/11/941 |
| article html file updated | 4 May 2019 21:52 CEST | Update | N/A |
| article html file updated | 30 November 2016 06:06 CET | Update | N/A |
| article html file updated | 21 November 2016 10:50 CET | Original file | N/A |
| article xml uploaded. | 21 November 2016 10:49 CET | Update | https://www.mdpi.com/1996-1944/9/11/941/xml |
| article xml uploaded. | 21 November 2016 10:49 CET | Original file | N/A |
| article pdf uploaded. | 21 November 2016 10:49 CET | Version of Record | https://www.mdpi.com/1996-1944/9/11/941/pdf |
