| article html file updated | 1 September 2025 14:02 CEST | Update | https://www.mdpi.com/2199-8531/6/4/161 |
| article html file updated | 23 July 2022 01:57 CEST | Update | - |
| article html file updated | 22 November 2020 13:33 CET | Original file | - |
| article pdf uploaded. | 22 November 2020 13:32 CET | Updated version of record | https://www.mdpi.com/2199-8531/6/4/161/pdf |
| article xml uploaded. | 22 November 2020 13:32 CET | Update | https://www.mdpi.com/2199-8531/6/4/161/xml |
| article xml file uploaded | 22 November 2020 13:32 CET | Original file | - |
| article pdf uploaded. | 20 November 2020 17:01 CET | Version of Record | https://www.mdpi.com/2199-8531/6/4/161/pdf-vor |
