| article html file updated | 12 February 2020 11:49 CET | Update | https://www.mdpi.com/1996-1944/12/9/1556 |
| article html file updated | 19 October 2019 23:53 CEST | Update | - |
| article html file updated | 24 May 2019 16:12 CEST | Update | - |
| article html file updated | 12 May 2019 11:32 CEST | Original file | - |
| article pdf uploaded. | 12 May 2019 11:30 CEST | Version of Record | https://www.mdpi.com/1996-1944/12/9/1556/pdf |
| article xml uploaded. | 12 May 2019 11:30 CEST | Update | https://www.mdpi.com/1996-1944/12/9/1556/xml |
| article xml file uploaded | 12 May 2019 11:30 CEST | Original file | - |
