| article html file updated | 31 August 2025 17:17 CEST | Update | https://www.mdpi.com/1999-4907/11/4/439 |
| article html file updated | 21 July 2022 01:46 CEST | Update | - |
| article html file updated | 23 April 2020 09:45 CEST | Original file | - |
| article pdf uploaded. | 23 April 2020 09:43 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/4/439/pdf |
| article xml uploaded. | 23 April 2020 09:43 CEST | Update | https://www.mdpi.com/1999-4907/11/4/439/xml |
| article xml file uploaded | 23 April 2020 09:43 CEST | Update | - |
| article pdf uploaded. | 13 April 2020 15:25 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/4/439/pdf-vor |
| article xml file uploaded | 13 April 2020 15:25 CEST | Update | - |
| article pdf uploaded. | 13 April 2020 15:25 CEST | Version of Record | https://www.mdpi.com/1999-4907/11/4/439/pdf-vor |
| article xml file uploaded | 13 April 2020 15:25 CEST | Original file | - |
