| article html file updated | 12 February 2020 08:52 CET | Update | https://www.mdpi.com/1996-1073/12/9/1644 |
| article html file updated | 19 October 2019 06:57 CEST | Update | - |
| article html file updated | 24 May 2019 11:47 CEST | Update | - |
| article html file updated | 30 April 2019 09:40 CEST | Original file | - |
| article pdf uploaded. | 30 April 2019 09:39 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/9/1644/pdf |
| article xml uploaded. | 30 April 2019 09:39 CEST | Update | https://www.mdpi.com/1996-1073/12/9/1644/xml |
| article xml file uploaded | 30 April 2019 09:39 CEST | Original file | - |
