| article html file updated | 11 February 2020 10:01 CET | Update | https://www.mdpi.com/2571-712X/2/1/7 |
| article html file updated | 27 April 2019 04:21 CEST | Update | - |
| article html file updated | 13 April 2019 00:26 CEST | Update | - |
| article html file updated | 3 April 2019 06:00 CEST | Update | - |
| article html file updated | 18 January 2019 12:45 CET | Original file | - |
| article xml uploaded. | 18 January 2019 12:44 CET | Original file | https://www.mdpi.com/2571-712X/2/1/7/xml |
| article pdf uploaded. | 18 January 2019 12:44 CET | Version of Record | https://www.mdpi.com/2571-712X/2/1/7/pdf |
