| article html file updated | 8 February 2020 08:12 CET | Update | https://www.mdpi.com/2072-4292/9/6/600 |
| article html file updated | 25 September 2019 07:57 CEST | Update | - |
| article html file updated | 3 May 2019 17:37 CEST | Update | - |
| article html file updated | 30 June 2017 09:52 CEST | Update | - |
| article html file updated | 13 June 2017 13:43 CEST | Original file | - |
| article xml uploaded. | 13 June 2017 13:41 CEST | Update | https://www.mdpi.com/2072-4292/9/6/600/xml |
| article pdf uploaded. | 13 June 2017 13:41 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/6/600/pdf |
