| article html file updated | 1 September 2025 12:45 CEST | Update | https://www.mdpi.com/2199-8531/6/4/132 |
| article html file updated | 22 July 2022 23:53 CEST | Update | - |
| article html file updated | 5 November 2020 06:46 CET | Original file | - |
| article pdf uploaded. | 5 November 2020 06:44 CET | Version of Record | https://www.mdpi.com/2199-8531/6/4/132/pdf |
| article xml uploaded. | 5 November 2020 06:44 CET | Update | https://www.mdpi.com/2199-8531/6/4/132/xml |
| article xml file uploaded | 5 November 2020 06:44 CET | Original file | - |
