| article html file updated | 30 August 2025 15:18 CEST | Update | https://www.mdpi.com/2227-7102/9/2/111 |
| article html file updated | 21 August 2025 21:05 CEST | Update | N/A |
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| article html file updated | 21 May 2019 10:33 CEST | Original file | N/A |
| article pdf uploaded. | 21 May 2019 10:32 CEST | Version of Record | https://www.mdpi.com/2227-7102/9/2/111/pdf |
| article xml uploaded. | 21 May 2019 10:32 CEST | Update | https://www.mdpi.com/2227-7102/9/2/111/xml |
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