| article html file updated | 11 February 2020 22:11 CET | Update | https://www.mdpi.com/1996-1073/12/6/994 |
| article html file updated | 16 October 2019 14:23 CEST | Update | - |
| article html file updated | 26 April 2019 03:18 CEST | Update | - |
| article html file updated | 11 April 2019 22:20 CEST | Update | - |
| article html file updated | 4 April 2019 13:14 CEST | Update | - |
| article html file updated | 14 March 2019 10:32 CET | Original file | - |
| article pdf uploaded. | 14 March 2019 10:30 CET | Version of Record | https://www.mdpi.com/1996-1073/12/6/994/pdf |
| article xml uploaded. | 14 March 2019 10:30 CET | Update | https://www.mdpi.com/1996-1073/12/6/994/xml |
| article xml file uploaded | 14 March 2019 10:30 CET | Original file | - |
