| article html file updated | 9 February 2020 12:42 CET | Update | https://www.mdpi.com/2072-666X/9/4/168 |
| article html file updated | 2 October 2019 07:52 CEST | Update | - |
| article html file updated | 1 May 2019 05:45 CEST | Update | - |
| article html file updated | 17 April 2019 05:53 CEST | Update | - |
| article html file updated | 29 March 2019 13:06 CET | Update | - |
| article html file updated | 1 May 2018 13:05 CEST | Update | - |
| article html file updated | 5 April 2018 16:40 CEST | Original file | - |
| article xml uploaded. | 5 April 2018 16:39 CEST | Update | https://www.mdpi.com/2072-666X/9/4/168/xml |
| article pdf uploaded. | 5 April 2018 16:39 CEST | Version of Record | https://www.mdpi.com/2072-666X/9/4/168/pdf |
