| article html file updated | 1 September 2025 12:31 CEST | Update | https://www.mdpi.com/2227-9032/8/4/451 |
| article html file updated | 22 July 2022 23:29 CEST | Update | N/A |
| article html file updated | 1 November 2020 11:34 CET | Original file | N/A |
| article pdf uploaded. | 1 November 2020 11:33 CET | Version of Record | https://www.mdpi.com/2227-9032/8/4/451/pdf |
| article xml uploaded. | 1 November 2020 11:33 CET | Update | https://www.mdpi.com/2227-9032/8/4/451/xml |
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