| article html file updated | 11 February 2020 22:00 CET | Update | https://www.mdpi.com/1996-1073/12/6/980 |
| article html file updated | 16 October 2019 13:22 CEST | Update | - |
| article html file updated | 26 April 2019 03:41 CEST | Update | - |
| article html file updated | 11 April 2019 22:45 CEST | Update | - |
| article html file updated | 4 April 2019 12:44 CEST | Update | - |
| article html file updated | 13 March 2019 13:02 CET | Original file | - |
| article pdf uploaded. | 13 March 2019 13:01 CET | Version of Record | https://www.mdpi.com/1996-1073/12/6/980/pdf |
| article xml uploaded. | 13 March 2019 13:01 CET | Update | https://www.mdpi.com/1996-1073/12/6/980/xml |
| article xml file uploaded | 13 March 2019 13:01 CET | Original file | - |
