| article html file updated | 9 February 2020 12:25 CET | Update | https://www.mdpi.com/2073-4360/10/4/398 |
| article html file updated | 2 October 2019 06:17 CEST | Update | - |
| article html file updated | 1 May 2019 06:18 CEST | Update | - |
| article html file updated | 17 April 2019 06:23 CEST | Update | - |
| article html file updated | 29 March 2019 12:29 CET | Update | - |
| article html file updated | 1 May 2018 13:56 CEST | Update | - |
| article html file updated | 3 April 2018 18:32 CEST | Original file | - |
| article xml uploaded. | 3 April 2018 18:30 CEST | Original file | https://www.mdpi.com/2073-4360/10/4/398/xml |
| article pdf uploaded. | 3 April 2018 18:30 CEST | Version of Record | https://www.mdpi.com/2073-4360/10/4/398/pdf |
