| article html file updated | 7 September 2025 09:59 CEST | Update | https://www.mdpi.com/1999-4907/13/1/20 |
| article html file updated | 31 July 2022 00:08 CEST | Update | - |
| article html file updated | 30 December 2021 06:37 CET | Update | - |
| article pdf uploaded. | 30 December 2021 06:36 CET | Updated version of record | https://www.mdpi.com/1999-4907/13/1/20/pdf |
| article xml uploaded. | 30 December 2021 06:36 CET | Update | https://www.mdpi.com/1999-4907/13/1/20/xml |
| article xml file uploaded | 30 December 2021 06:36 CET | Update | - |
| article html file updated | 23 December 2021 14:48 CET | Update | - |
| article html file updated | 23 December 2021 14:09 CET | Original file | - |
| article supplementary file uploaded. | 23 December 2021 14:07 CET | - | https://www.mdpi.com/1999-4907/13/1/20#supplementary |
| article pdf uploaded. | 23 December 2021 14:07 CET | Version of Record | https://www.mdpi.com/1999-4907/13/1/20/pdf-vor |
| article xml uploaded. | 23 December 2021 14:07 CET | Update | - |
| article xml file uploaded | 23 December 2021 14:07 CET | Original file | - |
