| article html file updated | 7 February 2020 15:36 CET | Update | https://www.mdpi.com/1996-1073/9/10/778 |
| article html file updated | 5 May 2019 02:58 CEST | Update | - |
| article html file updated | 28 October 2016 09:29 CEST | Update | - |
| article html file updated | 27 September 2016 14:46 CEST | Original file | - |
| article xml uploaded. | 27 September 2016 14:45 CEST | Update | https://www.mdpi.com/1996-1073/9/10/778/xml |
| article xml uploaded. | 27 September 2016 14:45 CEST | Original file | - |
| article pdf uploaded. | 27 September 2016 14:45 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/10/778/pdf |
