| article html file updated | 30 August 2025 00:40 CEST | Update | https://www.mdpi.com/1999-4915/9/3/57 |
| article html file updated | 16 July 2022 05:23 CEST | Update | N/A |
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| article xml uploaded. | 22 March 2017 14:37 CET | Original file | https://www.mdpi.com/1999-4915/9/3/57/xml |
| article pdf uploaded. | 22 March 2017 14:37 CET | Updated version of record | https://www.mdpi.com/1999-4915/9/3/57/pdf |
