| article html file updated | 16 August 2026 08:59 CEST | Update | https://www.mdpi.com/2227-7390/7/9/768 |
| article html file updated | 31 August 2025 00:15 CEST | Update | N/A |
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| article html file updated | 29 August 2019 07:02 CEST | Original file | N/A |
| article pdf uploaded. | 29 August 2019 07:01 CEST | Updated version of record | https://www.mdpi.com/2227-7390/7/9/768/pdf |
| article xml uploaded. | 29 August 2019 07:01 CEST | Update | https://www.mdpi.com/2227-7390/7/9/768/xml |
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| article pdf uploaded. | 21 August 2019 14:01 CEST | Version of Record | https://www.mdpi.com/2227-7390/7/9/768/pdf-vor |
| article xml file uploaded | 21 August 2019 14:01 CEST | Original file | N/A |
