| article html file updated | 18 August 2026 20:04 CEST | Update | https://www.mdpi.com/1999-4907/12/2/159 |
| article html file updated | 1 September 2025 20:02 CEST | Update | N/A |
| article html file updated | 24 July 2022 05:59 CEST | Update | N/A |
| article html file updated | 5 February 2021 11:30 CET | Original file | N/A |
| article pdf uploaded. | 5 February 2021 11:29 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/2/159/pdf |
| article xml uploaded. | 5 February 2021 11:29 CET | Update | https://www.mdpi.com/1999-4907/12/2/159/xml |
| article xml file uploaded | 5 February 2021 11:29 CET | Original file | N/A |
| article pdf uploaded. | 28 January 2021 19:07 CET | Version of Record | https://www.mdpi.com/1999-4907/12/2/159/pdf-vor |
