| article html file updated | 30 August 2025 21:14 CEST | Update | https://www.mdpi.com/2076-3425/9/6/139 |
| article html file updated | 20 July 2022 15:28 CEST | Update | - |
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| article pdf uploaded. | 17 June 2019 10:27 CEST | Version of Record | https://www.mdpi.com/2076-3425/9/6/139/pdf |
| article xml uploaded. | 17 June 2019 10:27 CEST | Update | https://www.mdpi.com/2076-3425/9/6/139/xml |
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