| article html file updated | 31 August 2025 12:08 CEST | Update | https://www.mdpi.com/2227-7390/8/2/281 |
| article html file updated | 20 July 2022 20:39 CEST | Update | - |
| article html file updated | 6 March 2020 07:24 CET | Original file | - |
| article pdf uploaded. | 19 February 2020 14:15 CET | Version of Record | https://www.mdpi.com/2227-7390/8/2/281/pdf |
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