| article html file updated | 13 August 2026 12:25 CEST | Update | https://www.mdpi.com/2077-0472/5/1/17 |
| article html file updated | 6 February 2020 15:35 CET | Update | N/A |
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| article html file updated | 21 August 2015 06:45 CEST | Original file | N/A |
| article pdf uploaded. | 29 January 2015 13:42 CET | Version of Record | https://www.mdpi.com/2077-0472/5/1/17/pdf |
