| article html file updated | 13 August 2026 00:57 CEST | Update | https://www.mdpi.com/2075-4698/4/2/296 |
| article html file updated | 6 February 2020 09:48 CET | Update | N/A |
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| article html file updated | 20 August 2015 09:23 CEST | Original file | N/A |
| article pdf uploaded. | 10 June 2014 10:34 CEST | Version of Record | https://www.mdpi.com/2075-4698/4/2/296/pdf |
