| article html file updated | 12 February 2020 09:51 CET | Update | https://www.mdpi.com/1996-1073/12/9/1687 |
| article html file updated | 19 October 2019 12:43 CEST | Update | - |
| article html file updated | 24 May 2019 12:01 CEST | Update | - |
| article html file updated | 5 May 2019 11:18 CEST | Original file | - |
| article pdf uploaded. | 5 May 2019 11:17 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/9/1687/pdf |
| article xml uploaded. | 5 May 2019 11:17 CEST | Update | https://www.mdpi.com/1996-1073/12/9/1687/xml |
| article xml file uploaded | 5 May 2019 11:17 CEST | Update | - |
| article pdf uploaded. | 4 May 2019 12:49 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/9/1687/pdf-vor |
| article xml file uploaded | 4 May 2019 12:49 CEST | Original file | - |
