| article html file updated | 15 August 2026 13:57 CEST | Update | https://www.mdpi.com/2073-4468/8/1/6 |
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| article html file updated | 4 January 2019 09:05 CET | Original file | N/A |
| article supplementary file uploaded. | 4 January 2019 09:03 CET | - | https://www.mdpi.com/2073-4468/8/1/6#supplementary |
| article pdf uploaded. | 4 January 2019 09:02 CET | Version of Record | https://www.mdpi.com/2073-4468/8/1/6/pdf |
| article xml uploaded. | 4 January 2019 09:02 CET | Update | https://www.mdpi.com/2073-4468/8/1/6/xml |
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