| article html file updated | 31 August 2025 00:56 CEST | Update | https://www.mdpi.com/1660-3397/17/9/520 |
| article html file updated | 21 August 2025 22:22 CEST | Update | - |
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| article html file updated | 4 September 2019 13:08 CEST | Original file | - |
| article pdf uploaded. | 4 September 2019 13:07 CEST | Version of Record | https://www.mdpi.com/1660-3397/17/9/520/pdf |
| article xml uploaded. | 4 September 2019 13:07 CEST | Update | https://www.mdpi.com/1660-3397/17/9/520/xml |
| article xml file uploaded | 4 September 2019 13:07 CEST | Original file | - |
