| article html file updated | 30 August 2025 13:50 CEST | Update | https://www.mdpi.com/2227-7102/9/2/73 |
| article html file updated | 21 August 2025 20:36 CEST | Update | N/A |
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| article html file updated | 10 April 2019 23:06 CEST | Original file | N/A |
| article pdf uploaded. | 10 April 2019 11:45 CEST | Version of Record | https://www.mdpi.com/2227-7102/9/2/73/pdf |
| article xml uploaded. | 10 April 2019 11:44 CEST | Update | https://www.mdpi.com/2227-7102/9/2/73/xml |
| article xml file uploaded | 10 April 2019 11:44 CEST | Original file | N/A |
