| article html file updated | 30 August 2025 21:24 CEST | Update | https://www.mdpi.com/2306-5338/6/2/54 |
| article html file updated | 20 July 2022 15:17 CEST | Update | - |
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| article pdf uploaded. | 20 June 2019 09:02 CEST | Version of Record | https://www.mdpi.com/2306-5338/6/2/54/pdf |
| article xml uploaded. | 20 June 2019 09:02 CEST | Update | https://www.mdpi.com/2306-5338/6/2/54/xml |
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