| article html file updated | 7 February 2020 18:06 CET | Update | https://www.mdpi.com/1996-1073/9/11/949 |
| article html file updated | 4 May 2019 22:21 CEST | Update | - |
| article html file updated | 30 November 2016 06:02 CET | Update | - |
| article html file updated | 16 November 2016 12:41 CET | Original file | - |
| article xml uploaded. | 16 November 2016 12:40 CET | Update | https://www.mdpi.com/1996-1073/9/11/949/xml |
| article xml uploaded. | 16 November 2016 12:40 CET | Original file | - |
| article pdf uploaded. | 16 November 2016 12:40 CET | Version of Record | https://www.mdpi.com/1996-1073/9/11/949/pdf |
