| article html file updated | 1 September 2025 09:24 CEST | Update | https://www.mdpi.com/2227-9040/8/4/89 |
| article html file updated | 22 July 2022 08:34 CEST | Update | N/A |
| article html file updated | 25 September 2020 10:50 CEST | Original file | N/A |
| article pdf uploaded. | 25 September 2020 10:47 CEST | Version of Record | https://www.mdpi.com/2227-9040/8/4/89/pdf |
| article xml uploaded. | 25 September 2020 10:47 CEST | Update | https://www.mdpi.com/2227-9040/8/4/89/xml |
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