| article html file updated | 1 September 2025 12:43 CEST | Update | https://www.mdpi.com/2308-3417/5/4/87 |
| article html file updated | 22 July 2022 23:50 CEST | Update | - |
| article html file updated | 4 November 2020 14:52 CET | Original file | - |
| article pdf uploaded. | 4 November 2020 14:51 CET | Version of Record | https://www.mdpi.com/2308-3417/5/4/87/pdf |
| article xml uploaded. | 4 November 2020 14:51 CET | Update | https://www.mdpi.com/2308-3417/5/4/87/xml |
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