| article html file updated | 30 August 2025 07:26 CEST | Update | https://www.mdpi.com/2075-1702/6/4/44 |
| article html file updated | 17 July 2022 03:58 CEST | Update | N/A |
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| article xml uploaded. | 1 October 2018 13:08 CEST | Update | https://www.mdpi.com/2075-1702/6/4/44/xml |
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| article pdf uploaded. | 1 October 2018 13:08 CEST | Version of Record | https://www.mdpi.com/2075-1702/6/4/44/pdf |
