| article html file updated | 8 February 2020 16:19 CET | Update | https://www.mdpi.com/2079-4991/7/9/272 |
| article html file updated | 27 September 2019 04:12 CEST | Update | - |
| article html file updated | 3 May 2019 01:45 CEST | Update | - |
| article html file updated | 30 September 2017 13:12 CEST | Update | - |
| article html file updated | 19 September 2017 11:34 CEST | Original file | - |
| article xml uploaded. | 19 September 2017 11:32 CEST | Original file | https://www.mdpi.com/2079-4991/7/9/272/xml |
| article pdf uploaded. | 15 September 2017 12:39 CEST | Version of Record | https://www.mdpi.com/2079-4991/7/9/272/pdf |
