| article html file updated | 11 February 2020 22:36 CET | Update | https://www.mdpi.com/1996-1944/12/6/881 |
| article html file updated | 16 October 2019 16:46 CEST | Update | - |
| article html file updated | 26 April 2019 02:25 CEST | Update | - |
| article html file updated | 11 April 2019 21:26 CEST | Update | - |
| article html file updated | 9 April 2019 18:54 CEST | Update | - |
| article html file updated | 4 April 2019 14:19 CEST | Update | - |
| article html file updated | 15 March 2019 16:45 CET | Original file | - |
| article pdf uploaded. | 15 March 2019 16:44 CET | Version of Record | https://www.mdpi.com/1996-1944/12/6/881/pdf |
| article xml uploaded. | 15 March 2019 16:44 CET | Update | https://www.mdpi.com/1996-1944/12/6/881/xml |
| article xml file uploaded | 15 March 2019 16:44 CET | Original file | - |
