| article html file updated | 30 August 2025 06:30 CEST | Update | https://www.mdpi.com/2313-433X/4/9/106 |
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| article pdf uploaded. | 31 August 2018 08:50 CEST | Version of Record | https://www.mdpi.com/2313-433X/4/9/106/pdf |
| article xml uploaded. | 31 August 2018 08:50 CEST | Update | https://www.mdpi.com/2313-433X/4/9/106/xml |
| article xml file uploaded | 31 August 2018 08:50 CEST | Original file | - |
