| article html file updated | 8 February 2020 19:31 CET | Update | https://www.mdpi.com/1996-1073/10/11/1708 |
| article html file updated | 28 September 2019 00:46 CEST | Update | - |
| article html file updated | 2 May 2019 18:49 CEST | Update | - |
| article html file updated | 30 November 2017 10:47 CET | Update | - |
| article html file updated | 26 October 2017 13:24 CEST | Original file | - |
| article xml uploaded. | 26 October 2017 13:23 CEST | Update | https://www.mdpi.com/1996-1073/10/11/1708/xml |
| article xml uploaded. | 26 October 2017 13:23 CEST | Original file | - |
| article pdf uploaded. | 26 October 2017 13:23 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/11/1708/pdf |
