| article html file updated | 8 February 2020 07:40 CET | Update | https://www.mdpi.com/2072-4292/9/6/571 |
| article html file updated | 25 September 2019 05:17 CEST | Update | - |
| article html file updated | 3 May 2019 18:36 CEST | Update | - |
| article html file updated | 30 June 2017 09:42 CEST | Update | - |
| article html file updated | 7 June 2017 11:41 CEST | Original file | - |
| article xml uploaded. | 7 June 2017 11:40 CEST | Original file | https://www.mdpi.com/2072-4292/9/6/571/xml |
| article pdf uploaded. | 7 June 2017 11:40 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/6/571/pdf |
