| article html file updated | 12 February 2020 09:22 CET | Update | https://www.mdpi.com/1996-1073/12/9/1666 |
| article html file updated | 19 October 2019 09:51 CEST | Update | - |
| article html file updated | 24 May 2019 11:54 CEST | Update | - |
| article html file updated | 1 May 2019 11:58 CEST | Original file | - |
| article pdf uploaded. | 1 May 2019 11:56 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/9/1666/pdf |
| article xml uploaded. | 1 May 2019 11:56 CEST | Update | https://www.mdpi.com/1996-1073/12/9/1666/xml |
| article xml file uploaded | 1 May 2019 11:56 CEST | Original file | - |
