| article html file updated | 30 August 2025 00:34 CEST | Update | https://www.mdpi.com/1999-4915/9/3/39 |
| article html file updated | 16 July 2022 05:11 CEST | Update | N/A |
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| article xml uploaded. | 8 March 2017 11:24 CET | Original file | https://www.mdpi.com/1999-4915/9/3/39/xml |
| article pdf uploaded. | 8 March 2017 11:24 CET | Version of Record | https://www.mdpi.com/1999-4915/9/3/39/pdf |
