| article html file updated | 30 August 2025 11:14 CEST | Update | https://www.mdpi.com/2411-9660/3/1/6 |
| article html file updated | 20 July 2022 16:54 CEST | Update | N/A |
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| article html file updated | 19 January 2019 10:24 CET | Original file | N/A |
| article pdf uploaded. | 19 January 2019 10:22 CET | Version of Record | https://www.mdpi.com/2411-9660/3/1/6/pdf |
| article xml uploaded. | 19 January 2019 10:22 CET | Update | https://www.mdpi.com/2411-9660/3/1/6/xml |
| article xml file uploaded | 19 January 2019 10:22 CET | Original file | N/A |
