| article html file updated | 12 February 2020 08:50 CET | Update | https://www.mdpi.com/1996-1073/12/9/1642 |
| article html file updated | 19 October 2019 06:46 CEST | Update | - |
| article html file updated | 24 May 2019 11:46 CEST | Update | - |
| article html file updated | 30 April 2019 08:11 CEST | Original file | - |
| article pdf uploaded. | 30 April 2019 08:10 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/9/1642/pdf |
| article xml uploaded. | 30 April 2019 08:10 CEST | Update | https://www.mdpi.com/1996-1073/12/9/1642/xml |
| article xml file uploaded | 30 April 2019 08:10 CEST | Original file | - |
