| article html file updated | 1 September 2025 19:47 CEST | Update | https://www.mdpi.com/1999-4907/12/2/140 |
| article html file updated | 24 July 2022 03:10 CEST | Update | - |
| article html file updated | 3 February 2021 07:28 CET | Original file | - |
| article pdf uploaded. | 3 February 2021 07:26 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/2/140/pdf |
| article xml uploaded. | 3 February 2021 07:26 CET | Update | https://www.mdpi.com/1999-4907/12/2/140/xml |
| article xml file uploaded | 3 February 2021 07:26 CET | Original file | - |
| article pdf uploaded. | 26 January 2021 16:59 CET | Version of Record | https://www.mdpi.com/1999-4907/12/2/140/pdf-vor |
