| article html file updated | 31 August 2025 10:34 CEST | Update | https://www.mdpi.com/2309-608X/6/1/21 |
| article html file updated | 20 July 2022 19:05 CEST | Update | N/A |
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| article pdf uploaded. | 3 February 2020 13:23 CET | Version of Record | https://www.mdpi.com/2309-608X/6/1/21/pdf |
| article xml uploaded. | 3 February 2020 13:23 CET | Update | https://www.mdpi.com/2309-608X/6/1/21/xml |
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