| article html file updated | 1 September 2025 16:48 CEST | Update | https://www.mdpi.com/1996-1073/14/1/33 |
| article html file updated | 23 July 2022 06:46 CEST | Update | - |
| article html file updated | 28 December 2020 12:26 CET | Original file | - |
| article pdf uploaded. | 28 December 2020 12:24 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/1/33/pdf |
| article xml uploaded. | 28 December 2020 12:24 CET | Update | https://www.mdpi.com/1996-1073/14/1/33/xml |
| article xml file uploaded | 28 December 2020 12:24 CET | Original file | - |
| article pdf uploaded. | 23 December 2020 12:59 CET | Version of Record | https://www.mdpi.com/1996-1073/14/1/33/pdf-vor |
