| article html file updated | 8 February 2020 07:50 CET | Update | https://www.mdpi.com/2072-4292/9/6/574 |
| article html file updated | 25 September 2019 06:06 CEST | Update | - |
| article html file updated | 3 May 2019 18:18 CEST | Update | - |
| article html file updated | 30 June 2017 09:43 CEST | Update | - |
| article html file updated | 8 June 2017 14:42 CEST | Original file | - |
| article xml uploaded. | 8 June 2017 14:40 CEST | Original file | https://www.mdpi.com/2072-4292/9/6/574/xml |
| article pdf uploaded. | 8 June 2017 14:40 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/6/574/pdf |
