| article html file updated | 23 October 2025 06:23 CEST | Update | https://www.mdpi.com/2076-2615/5/4/393 |
| article html file updated | 6 February 2020 23:15 CET | Update | - |
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| article pdf uploaded. | 25 September 2015 15:21 CEST | Version of Record | https://www.mdpi.com/2076-2615/5/4/393/pdf |
