| article html file updated | 8 February 2020 14:31 CET | Update | https://www.mdpi.com/1996-1944/10/9/990 |
| article html file updated | 26 September 2019 18:16 CEST | Update | - |
| article html file updated | 3 May 2019 05:05 CEST | Update | - |
| article html file updated | 30 September 2017 08:59 CEST | Update | - |
| article html file updated | 25 August 2017 12:55 CEST | Original file | - |
| article xml uploaded. | 25 August 2017 12:53 CEST | Update | https://www.mdpi.com/1996-1944/10/9/990/xml |
| article xml uploaded. | 25 August 2017 12:53 CEST | Original file | - |
| article pdf uploaded. | 25 August 2017 12:53 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/9/990/pdf |
