| article html file updated | 9 February 2020 12:19 CET | Update | https://www.mdpi.com/2072-6643/10/4/441 |
| article html file updated | 2 October 2019 05:43 CEST | Update | - |
| article html file updated | 1 May 2019 06:30 CEST | Update | - |
| article html file updated | 17 April 2019 06:34 CEST | Update | - |
| article html file updated | 29 March 2019 12:15 CET | Update | - |
| article html file updated | 1 May 2018 10:30 CEST | Update | - |
| article html file updated | 3 April 2018 13:49 CEST | Original file | - |
| article xml uploaded. | 3 April 2018 06:48 CEST | Original file | https://www.mdpi.com/2072-6643/10/4/441/xml |
| article pdf uploaded. | 3 April 2018 06:48 CEST | Version of Record | https://www.mdpi.com/2072-6643/10/4/441/pdf |
