| article html file updated | 2 September 2025 01:34 CEST | Update | https://www.mdpi.com/2227-9040/9/4/60 |
| article html file updated | 25 July 2022 09:01 CEST | Update | - |
| article html file updated | 2 August 2021 23:39 CEST | Update | - |
| article html file updated | 24 March 2021 11:30 CET | Original file | - |
| article pdf uploaded. | 24 March 2021 11:27 CET | Version of Record | https://www.mdpi.com/2227-9040/9/4/60/pdf |
| article xml uploaded. | 24 March 2021 11:27 CET | Update | https://www.mdpi.com/2227-9040/9/4/60/xml |
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