| article html file updated | 1 September 2025 10:24 CEST | Update | https://www.mdpi.com/2199-8531/6/4/106 |
| article html file updated | 22 July 2022 10:04 CEST | Update | - |
| article html file updated | 10 October 2020 10:41 CEST | Original file | - |
| article pdf uploaded. | 9 October 2020 14:00 CEST | Version of Record | https://www.mdpi.com/2199-8531/6/4/106/pdf |
| article xml uploaded. | 9 October 2020 14:00 CEST | Update | https://www.mdpi.com/2199-8531/6/4/106/xml |
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