| article html file updated | 9 February 2020 13:24 CET | Update | https://www.mdpi.com/1660-4601/15/4/723 |
| article html file updated | 2 October 2019 12:17 CEST | Update | - |
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| article xml uploaded. | 11 April 2018 16:52 CEST | Update | https://www.mdpi.com/1660-4601/15/4/723/xml |
| article pdf uploaded. | 11 April 2018 16:51 CEST | Version of Record | https://www.mdpi.com/1660-4601/15/4/723/pdf |