| article html file updated | 14 February 2020 02:49 CET | Update | https://www.mdpi.com/1996-1073/12/20/4009 |
| article html file updated | 29 October 2019 22:42 CET | Update | - |
| article html file updated | 24 October 2019 05:59 CEST | Update | - |
| article pdf uploaded. | 24 October 2019 05:57 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/20/4009/pdf |
| article xml uploaded. | 24 October 2019 05:57 CEST | Update | https://www.mdpi.com/1996-1073/12/20/4009/xml |
| article xml file uploaded | 24 October 2019 05:57 CEST | Update | - |
| article html file updated | 22 October 2019 08:40 CEST | Original file | - |
| article pdf uploaded. | 22 October 2019 08:38 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/20/4009/pdf-vor |
| article xml uploaded. | 22 October 2019 08:38 CEST | Update | - |
| article xml file uploaded | 22 October 2019 08:38 CEST | Original file | - |
