| article html file updated | 14 August 2026 15:02 CEST | Update | https://www.mdpi.com/2072-6651/9/6/188 |
| article html file updated | 8 February 2020 07:54 CET | Update | N/A |
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| article pdf uploaded. | 14 June 2017 09:25 CEST | Updated version of record | https://www.mdpi.com/2072-6651/9/6/188/pdf |
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