| article html file updated | 1 September 2025 13:46 CEST | Update | https://www.mdpi.com/2199-8531/6/4/157 |
| article html file updated | 23 July 2022 01:33 CEST | Update | N/A |
| article html file updated | 18 November 2020 11:30 CET | Original file | N/A |
| article pdf uploaded. | 18 November 2020 11:29 CET | Version of Record | https://www.mdpi.com/2199-8531/6/4/157/pdf |
| article xml uploaded. | 18 November 2020 11:29 CET | Update | https://www.mdpi.com/2199-8531/6/4/157/xml |
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