| article html file updated | 30 August 2025 14:45 CEST | Update | https://www.mdpi.com/2306-5354/6/2/39 |
| article html file updated | 19 July 2022 18:17 CEST | Update | - |
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| article pdf uploaded. | 7 May 2019 09:53 CEST | Version of Record | https://www.mdpi.com/2306-5354/6/2/39/pdf |
| article xml uploaded. | 7 May 2019 09:53 CEST | Update | https://www.mdpi.com/2306-5354/6/2/39/xml |
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