| article html file updated | 8 February 2020 04:06 CET | Update | https://www.mdpi.com/2072-4292/9/4/391 |
| article html file updated | 24 September 2019 10:44 CEST | Update | - |
| article html file updated | 4 May 2019 01:15 CEST | Update | - |
| article html file updated | 29 April 2017 05:24 CEST | Update | - |
| article html file updated | 21 April 2017 16:46 CEST | Original file | - |
| article xml uploaded. | 21 April 2017 16:45 CEST | Update | https://www.mdpi.com/2072-4292/9/4/391/xml |
| article pdf uploaded. | 21 April 2017 16:45 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/4/391/pdf |
