| article html file updated | 30 August 2025 10:40 CEST | Update | https://www.mdpi.com/2073-431X/8/1/6 |
| article html file updated | 17 July 2022 21:32 CEST | Update | - |
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| article html file updated | 7 January 2019 08:09 CET | Original file | - |
| article pdf uploaded. | 7 January 2019 08:08 CET | Version of Record | https://www.mdpi.com/2073-431X/8/1/6/pdf |
| article xml uploaded. | 7 January 2019 08:08 CET | Update | https://www.mdpi.com/2073-431X/8/1/6/xml |
| article xml file uploaded | 7 January 2019 08:08 CET | Original file | - |
