| article html file updated | 31 August 2025 03:44 CEST | Update | https://www.mdpi.com/2075-4418/9/4/168 |
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| article supplementary file uploaded. | 30 October 2019 07:56 CET | - | https://www.mdpi.com/2075-4418/9/4/168#supplementary |
| article pdf uploaded. | 30 October 2019 07:56 CET | Version of Record | https://www.mdpi.com/2075-4418/9/4/168/pdf |
| article xml uploaded. | 30 October 2019 07:56 CET | Update | https://www.mdpi.com/2075-4418/9/4/168/xml |
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