| article html file updated | 7 February 2020 18:00 CET | Update | https://www.mdpi.com/1996-1073/9/11/950 |
| article html file updated | 4 May 2019 22:33 CEST | Update | N/A |
| article html file updated | 30 November 2016 06:02 CET | Update | N/A |
| article html file updated | 15 November 2016 13:01 CET | Original file | N/A |
| article xml uploaded. | 15 November 2016 12:59 CET | Update | https://www.mdpi.com/1996-1073/9/11/950/xml |
| article xml uploaded. | 15 November 2016 12:59 CET | Original file | N/A |
| article pdf uploaded. | 15 November 2016 12:59 CET | Version of Record | https://www.mdpi.com/1996-1073/9/11/950/pdf |
