| article html file updated | 29 August 2025 21:23 CEST | Update | https://www.mdpi.com/2075-4434/2/4/520 |
| article html file updated | 15 July 2022 23:37 CEST | Update | N/A |
| article html file updated | 6 February 2020 14:11 CET | Update | N/A |
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| article pdf uploaded. | 4 December 2014 16:16 CET | Version of Record | https://www.mdpi.com/2075-4434/2/4/520/pdf |
