| article html file updated | 30 August 2025 14:48 CEST | Update | https://www.mdpi.com/2227-7080/7/2/39 |
| article html file updated | 19 July 2022 18:19 CEST | Update | - |
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| article pdf uploaded. | 8 May 2019 06:36 CEST | Version of Record | https://www.mdpi.com/2227-7080/7/2/39/pdf |
| article xml uploaded. | 8 May 2019 06:36 CEST | Update | https://www.mdpi.com/2227-7080/7/2/39/xml |
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