| article html file updated | 2 September 2025 02:46 CEST | Update | https://www.mdpi.com/1999-4907/12/4/438 |
| article html file updated | 25 July 2022 10:49 CEST | Update | - |
| article html file updated | 4 August 2021 08:08 CEST | Update | - |
| article html file updated | 11 April 2021 07:37 CEST | Update | - |
| article html file updated | 11 April 2021 07:30 CEST | Update | - |
| article html file updated | 6 April 2021 11:47 CEST | Update | - |
| article pdf uploaded. | 6 April 2021 11:45 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/4/438/pdf |
| article xml uploaded. | 6 April 2021 11:45 CEST | Update | https://www.mdpi.com/1999-4907/12/4/438/xml |
| article xml file uploaded | 6 April 2021 11:45 CEST | Update | - |
| article html file updated | 5 April 2021 11:56 CEST | Original file | - |
| article pdf uploaded. | 5 April 2021 11:55 CEST | Version of Record | https://www.mdpi.com/1999-4907/12/4/438/pdf-vor |
| article xml file uploaded | 5 April 2021 11:55 CEST | Original file | - |
