| article html file updated | 14 August 2026 22:04 CEST | Update | https://www.mdpi.com/2073-4433/9/2/57 |
| article html file updated | 9 February 2020 06:03 CET | Update | N/A |
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| article xml uploaded. | 9 February 2018 11:13 CET | Update | https://www.mdpi.com/2073-4433/9/2/57/xml |
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| article pdf uploaded. | 9 February 2018 11:13 CET | Version of Record | https://www.mdpi.com/2073-4433/9/2/57/pdf |
