| article html file updated | 30 August 2025 23:30 CEST | Update | https://www.mdpi.com/2227-7102/9/3/208 |
| article html file updated | 21 August 2025 21:58 CEST | Update | N/A |
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| article pdf uploaded. | 5 August 2019 12:06 CEST | Version of Record | https://www.mdpi.com/2227-7102/9/3/208/pdf |
| article xml uploaded. | 5 August 2019 12:06 CEST | Update | https://www.mdpi.com/2227-7102/9/3/208/xml |
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