| article html file updated | 30 August 2025 23:35 CEST | Update | https://www.mdpi.com/2218-6581/8/3/69 |
| article html file updated | 20 July 2022 05:40 CEST | Update | - |
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| article pdf uploaded. | 7 August 2019 09:17 CEST | Version of Record | https://www.mdpi.com/2218-6581/8/3/69/pdf |
| article xml uploaded. | 7 August 2019 09:17 CEST | Update | https://www.mdpi.com/2218-6581/8/3/69/xml |
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