| article html file updated | 1 September 2025 10:30 CEST | Update | https://www.mdpi.com/2227-9032/8/4/394 |
| article html file updated | 22 July 2022 10:14 CEST | Update | N/A |
| article html file updated | 11 October 2020 09:27 CEST | Original file | N/A |
| article pdf uploaded. | 11 October 2020 09:26 CEST | Version of Record | https://www.mdpi.com/2227-9032/8/4/394/pdf |
| article xml uploaded. | 11 October 2020 09:26 CEST | Update | https://www.mdpi.com/2227-9032/8/4/394/xml |
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