| article html file updated | 12 February 2020 11:16 CET | Update | https://www.mdpi.com/1996-1073/12/9/1771 |
| article html file updated | 19 October 2019 20:48 CEST | Update | - |
| article html file updated | 24 May 2019 12:30 CEST | Update | - |
| article html file updated | 10 May 2019 08:45 CEST | Original file | - |
| article pdf uploaded. | 10 May 2019 08:43 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/9/1771/pdf |
| article xml uploaded. | 10 May 2019 08:43 CEST | Update | https://www.mdpi.com/1996-1073/12/9/1771/xml |
| article xml file uploaded | 10 May 2019 08:43 CEST | Original file | - |
