| article html file updated | 12 August 2026 19:27 CEST | Update | https://www.mdpi.com/1999-4923/5/2/353 |
| article html file updated | 6 February 2020 02:40 CET | Update | N/A |
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| article pdf uploaded. | 18 June 2013 09:41 CEST | Version of Record | https://www.mdpi.com/1999-4923/5/2/353/pdf |
