| article html file updated | 12 February 2020 11:59 CET | Update | https://www.mdpi.com/1996-1073/12/9/1815 |
| article html file updated | 20 October 2019 00:52 CEST | Update | - |
| article html file updated | 24 May 2019 12:49 CEST | Update | - |
| article html file updated | 16 May 2019 09:56 CEST | Original file | - |
| article pdf uploaded. | 15 May 2019 07:20 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/9/1815/pdf |
| article xml uploaded. | 15 May 2019 07:20 CEST | Update | https://www.mdpi.com/1996-1073/12/9/1815/xml |
| article xml file uploaded | 15 May 2019 07:20 CEST | Update | - |
| article pdf uploaded. | 13 May 2019 14:16 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/9/1815/pdf-vor |
| article xml file uploaded | 13 May 2019 14:16 CEST | Original file | - |
