| article html file updated | 8 February 2020 11:00 CET | Update | https://www.mdpi.com/1996-1073/10/7/994 |
| article html file updated | 25 September 2019 22:44 CEST | Update | - |
| article html file updated | 3 May 2019 12:23 CEST | Update | - |
| article html file updated | 31 July 2017 07:15 CEST | Update | - |
| article html file updated | 14 July 2017 11:26 CEST | Update | - |
| article html file updated | 14 July 2017 11:25 CEST | Update | - |
| article html file updated | 14 July 2017 11:24 CEST | Original file | - |
| article xml uploaded. | 14 July 2017 11:22 CEST | Update | https://www.mdpi.com/1996-1073/10/7/994/xml |
| article pdf uploaded. | 14 July 2017 11:22 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/7/994/pdf |
