| article html file updated | 15 August 2026 21:58 CEST | Update | https://www.mdpi.com/2079-6374/9/2/57 |
| article html file updated | 30 August 2025 14:06 CEST | Update | N/A |
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| article html file updated | 29 April 2019 14:14 CEST | Original file | N/A |
| article pdf uploaded. | 29 April 2019 14:11 CEST | Updated version of record | https://www.mdpi.com/2079-6374/9/2/57/pdf |
| article xml uploaded. | 29 April 2019 14:11 CEST | Update | https://www.mdpi.com/2079-6374/9/2/57/xml |
| article xml file uploaded | 29 April 2019 14:11 CEST | Update | N/A |
| article pdf uploaded. | 17 April 2019 14:47 CEST | Version of Record | https://www.mdpi.com/2079-6374/9/2/57/pdf-vor |
| article xml file uploaded | 17 April 2019 14:47 CEST | Original file | N/A |
