| article html file updated | 8 February 2020 02:45 CET | Update | https://www.mdpi.com/2072-4292/9/4/336 |
| article html file updated | 24 September 2019 03:09 CEST | Update | N/A |
| article html file updated | 4 May 2019 03:55 CEST | Update | N/A |
| article html file updated | 29 April 2017 05:41 CEST | Update | N/A |
| article html file updated | 1 April 2017 12:08 CEST | Original file | N/A |
| article xml uploaded. | 1 April 2017 12:07 CEST | Original file | https://www.mdpi.com/2072-4292/9/4/336/xml |
| article pdf uploaded. | 1 April 2017 12:07 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/4/336/pdf |
