| article html file updated | 8 February 2020 15:21 CET | Update | https://www.mdpi.com/2079-4991/7/9/259 |
| article html file updated | 26 September 2019 23:00 CEST | Update | - |
| article html file updated | 3 May 2019 03:31 CEST | Update | - |
| article html file updated | 30 September 2017 13:09 CEST | Update | - |
| article html file updated | 5 September 2017 13:17 CEST | Original file | - |
| article xml uploaded. | 5 September 2017 13:16 CEST | Update | https://www.mdpi.com/2079-4991/7/9/259/xml |
| article xml uploaded. | 5 September 2017 13:16 CEST | Original file | - |
| article pdf uploaded. | 5 September 2017 13:16 CEST | Version of Record | https://www.mdpi.com/2079-4991/7/9/259/pdf |
