| article html file updated | 31 August 2025 12:13 CEST | Update | https://www.mdpi.com/2227-7390/8/2/287 |
| article html file updated | 20 July 2022 20:43 CEST | Update | - |
| article html file updated | 6 March 2020 07:24 CET | Update | - |
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| article pdf uploaded. | 20 February 2020 12:05 CET | Version of Record | https://www.mdpi.com/2227-7390/8/2/287/pdf |
| article xml uploaded. | 20 February 2020 12:05 CET | Update | https://www.mdpi.com/2227-7390/8/2/287/xml |
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