| article html file updated | 12 February 2020 09:53 CET | Update | https://www.mdpi.com/1996-1073/12/9/1690 |
| article html file updated | 19 October 2019 12:56 CEST | Update | - |
| article html file updated | 24 May 2019 12:02 CEST | Update | - |
| article html file updated | 5 May 2019 08:36 CEST | Original file | - |
| article pdf uploaded. | 5 May 2019 08:35 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/9/1690/pdf |
| article xml uploaded. | 5 May 2019 08:35 CEST | Update | https://www.mdpi.com/1996-1073/12/9/1690/xml |
| article xml file uploaded | 5 May 2019 08:35 CEST | Original file | - |
