| article html file updated | 25 December 2025 05:56 CET | Update | https://www.mdpi.com/2227-7099/9/1/38 |
| article html file updated | 2 September 2025 00:34 CEST | Update | - |
| article html file updated | 25 July 2022 07:36 CEST | Update | - |
| article html file updated | 14 March 2021 11:23 CET | Original file | - |
| article pdf uploaded. | 14 March 2021 11:22 CET | Version of Record | https://www.mdpi.com/2227-7099/9/1/38/pdf |
| article xml uploaded. | 14 March 2021 11:22 CET | Update | https://www.mdpi.com/2227-7099/9/1/38/xml |
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