| article html file updated | 31 August 2025 05:38 CEST | Update | https://www.mdpi.com/2571-631X/2/4/20 |
| article html file updated | 19 July 2022 22:36 CEST | Update | - |
| article html file updated | 14 February 2020 15:31 CET | Update | - |
| article html file updated | 19 December 2019 11:35 CET | Original file | - |
| article pdf uploaded. | 19 December 2019 11:33 CET | Updated version of record | https://www.mdpi.com/2571-631X/2/4/20/pdf |
| article xml uploaded. | 19 December 2019 11:33 CET | Update | https://www.mdpi.com/2571-631X/2/4/20/xml |
| article xml file uploaded | 19 December 2019 11:33 CET | Original file | - |
| article pdf uploaded. | 3 December 2019 14:55 CET | Version of Record | https://www.mdpi.com/2571-631X/2/4/20/pdf-vor |
