| article html file updated | 8 February 2020 08:45 CET | Update | https://www.mdpi.com/2072-4292/9/6/631 |
| article html file updated | 25 September 2019 10:50 CEST | Update | - |
| article html file updated | 3 May 2019 16:35 CEST | Update | - |
| article html file updated | 30 June 2017 10:00 CEST | Update | - |
| article html file updated | 20 June 2017 14:21 CEST | Original file | - |
| article xml uploaded. | 20 June 2017 14:19 CEST | Update | https://www.mdpi.com/2072-4292/9/6/631/xml |
| article pdf uploaded. | 20 June 2017 14:19 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/6/631/pdf |
