| article html file updated | 7 February 2020 17:52 CET | Update | https://www.mdpi.com/1996-1073/9/11/940 |
| article html file updated | 4 May 2019 22:48 CEST | Update | - |
| article html file updated | 30 November 2016 05:59 CET | Update | - |
| article html file updated | 11 November 2016 09:57 CET | Original file | - |
| article xml uploaded. | 11 November 2016 09:56 CET | Update | https://www.mdpi.com/1996-1073/9/11/940/xml |
| article xml uploaded. | 11 November 2016 09:56 CET | Original file | - |
| article pdf uploaded. | 11 November 2016 09:56 CET | Version of Record | https://www.mdpi.com/1996-1073/9/11/940/pdf |
