| article html file updated | 16 August 2026 04:37 CEST | Update | https://www.mdpi.com/2073-4409/8/7/691 |
| article html file updated | 30 August 2025 22:15 CEST | Update | N/A |
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| article html file updated | 10 July 2019 05:27 CEST | Original file | N/A |
| article pdf uploaded. | 10 July 2019 05:25 CEST | Updated version of record | https://www.mdpi.com/2073-4409/8/7/691/pdf |
| article xml uploaded. | 10 July 2019 05:25 CEST | Update | https://www.mdpi.com/2073-4409/8/7/691/xml |
| article xml file uploaded | 10 July 2019 05:25 CEST | Update | N/A |
| article pdf uploaded. | 9 July 2019 15:02 CEST | Version of Record | https://www.mdpi.com/2073-4409/8/7/691/pdf-vor |
| article xml file uploaded | 9 July 2019 15:02 CEST | Original file | N/A |
