| article html file updated | 24 December 2025 15:04 CET | Update | https://www.mdpi.com/1999-4915/11/6/502 |
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| article html file updated | 31 May 2019 11:45 CEST | Original file | - |
| article pdf uploaded. | 31 May 2019 11:44 CEST | Version of Record | https://www.mdpi.com/1999-4915/11/6/502/pdf |
| article xml uploaded. | 31 May 2019 11:44 CEST | Update | https://www.mdpi.com/1999-4915/11/6/502/xml |
| article xml file uploaded | 31 May 2019 11:44 CEST | Original file | - |
