| article html file updated | 9 February 2020 06:31 CET | Update | https://www.mdpi.com/1420-3049/23/2/404 |
| article html file updated | 30 September 2019 18:41 CEST | Update | N/A |
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| article xml uploaded. | 13 February 2018 16:48 CET | Update | https://www.mdpi.com/1420-3049/23/2/404/xml |
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| article pdf uploaded. | 13 February 2018 16:48 CET | Version of Record | https://www.mdpi.com/1420-3049/23/2/404/pdf |