| article html file updated | 2 September 2025 03:00 CEST | Update | https://www.mdpi.com/1999-4907/12/4/449 |
| article html file updated | 25 July 2022 11:09 CEST | Update | N/A |
| article html file updated | 4 August 2021 14:28 CEST | Update | N/A |
| article html file updated | 22 April 2021 10:57 CEST | Update | N/A |
| article pdf uploaded. | 22 April 2021 10:56 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/4/449/pdf |
| article xml uploaded. | 22 April 2021 10:56 CEST | Update | https://www.mdpi.com/1999-4907/12/4/449/xml |
| article xml file uploaded | 22 April 2021 10:56 CEST | Update | N/A |
| article html file updated | 11 April 2021 13:33 CEST | Update | N/A |
| article html file updated | 8 April 2021 08:02 CEST | Original file | N/A |
| article pdf uploaded. | 8 April 2021 08:00 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/4/449/pdf-vor |
| article xml file uploaded | 8 April 2021 08:00 CEST | Original file | N/A |
| article pdf uploaded. | 7 April 2021 15:08 CEST | Version of Record | https://www.mdpi.com/1999-4907/12/4/449/pdf-vor |