| article html file updated | 30 August 2025 02:34 CEST | Update | https://www.mdpi.com/1660-4601/15/2/303 |
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| article xml uploaded. | 11 February 2018 10:28 CET | Original file | https://www.mdpi.com/1660-4601/15/2/303/xml |
| article pdf uploaded. | 11 February 2018 10:28 CET | Updated version of record | https://www.mdpi.com/1660-4601/15/2/303/pdf |
| article pdf uploaded. | 9 February 2018 16:38 CET | Version of Record | https://www.mdpi.com/1660-4601/15/2/303/pdf-vor |
