| article html file updated | 9 February 2020 10:44 CET | Update | https://www.mdpi.com/1420-3049/23/4/723 |
| article html file updated | 1 October 2019 20:31 CEST | Update | - |
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| article xml uploaded. | 22 March 2018 04:35 CET | Update | https://www.mdpi.com/1420-3049/23/4/723/xml |
| article pdf uploaded. | 22 March 2018 04:35 CET | Version of Record | https://www.mdpi.com/1420-3049/23/4/723/pdf |
