| article html file updated | 9 February 2020 12:46 CET | Update | https://www.mdpi.com/2073-4360/10/4/408 |
| article html file updated | 2 October 2019 08:17 CEST | Update | - |
| article html file updated | 1 May 2019 05:36 CEST | Update | - |
| article html file updated | 17 April 2019 05:46 CEST | Update | - |
| article html file updated | 29 March 2019 13:15 CET | Update | - |
| article html file updated | 1 May 2018 13:59 CEST | Update | - |
| article html file updated | 6 April 2018 08:20 CEST | Original file | - |
| article xml uploaded. | 6 April 2018 08:19 CEST | Update | https://www.mdpi.com/2073-4360/10/4/408/xml |
| article pdf uploaded. | 6 April 2018 08:19 CEST | Version of Record | https://www.mdpi.com/2073-4360/10/4/408/pdf |
