| article html file updated | 31 August 2025 21:57 CEST | Update | https://www.mdpi.com/1999-4907/11/6/611 |
| article html file updated | 21 July 2022 06:21 CEST | Update | - |
| article html file updated | 9 October 2020 04:57 CEST | Update | - |
| article html file updated | 3 June 2020 13:13 CEST | Original file | - |
| article pdf uploaded. | 3 June 2020 13:11 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/6/611/pdf |
| article xml uploaded. | 3 June 2020 13:11 CEST | Update | https://www.mdpi.com/1999-4907/11/6/611/xml |
| article xml file uploaded | 3 June 2020 13:11 CEST | Original file | - |
| article pdf uploaded. | 29 May 2020 11:00 CEST | Version of Record | https://www.mdpi.com/1999-4907/11/6/611/pdf-vor |
