| article html file updated | 14 August 2026 15:07 CEST | Update | https://www.mdpi.com/2072-6651/9/6/191 |
| article html file updated | 8 February 2020 08:10 CET | Update | N/A |
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| article pdf uploaded. | 13 June 2017 14:00 CEST | Version of Record | https://www.mdpi.com/2072-6651/9/6/191/pdf |
