| article html file updated | 1 September 2025 12:36 CEST | Update | https://www.mdpi.com/2227-9032/8/4/456 |
| article html file updated | 22 July 2022 23:39 CEST | Update | N/A |
| article html file updated | 3 November 2020 11:28 CET | Original file | N/A |
| article pdf uploaded. | 3 November 2020 11:27 CET | Version of Record | https://www.mdpi.com/2227-9032/8/4/456/pdf |
| article xml uploaded. | 3 November 2020 11:27 CET | Update | https://www.mdpi.com/2227-9032/8/4/456/xml |
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