| article html file updated | 11 February 2020 23:40 CET | Update | https://www.mdpi.com/1996-1073/12/6/1081 |
| article html file updated | 16 October 2019 22:36 CEST | Update | - |
| article html file updated | 26 April 2019 00:09 CEST | Update | - |
| article html file updated | 11 April 2019 19:10 CEST | Update | - |
| article html file updated | 4 April 2019 17:05 CEST | Update | - |
| article html file updated | 20 March 2019 16:00 CET | Original file | - |
| article pdf uploaded. | 20 March 2019 15:59 CET | Version of Record | https://www.mdpi.com/1996-1073/12/6/1081/pdf |
| article xml uploaded. | 20 March 2019 15:59 CET | Update | https://www.mdpi.com/1996-1073/12/6/1081/xml |
| article xml file uploaded | 20 March 2019 15:59 CET | Original file | - |
