| article html file updated | 12 February 2020 08:20 CET | Update | https://www.mdpi.com/1996-1073/12/9/1609 |
| article html file updated | 19 October 2019 03:39 CEST | Update | - |
| article html file updated | 24 May 2019 11:35 CEST | Update | - |
| article html file updated | 28 April 2019 12:20 CEST | Original file | - |
| article pdf uploaded. | 28 April 2019 12:19 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/9/1609/pdf |
| article xml uploaded. | 28 April 2019 12:19 CEST | Update | https://www.mdpi.com/1996-1073/12/9/1609/xml |
| article xml file uploaded | 28 April 2019 12:19 CEST | Update | - |
| article pdf uploaded. | 27 April 2019 15:40 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/9/1609/pdf-vor |
| article xml file uploaded | 27 April 2019 15:40 CEST | Original file | - |
