| article html file updated | 11 February 2020 16:48 CET | Update | https://www.mdpi.com/1424-8220/19/4/834 |
| article html file updated | 15 October 2019 04:22 CEST | Update | - |
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| article html file updated | 18 February 2019 10:19 CET | Original file | - |
| article pdf uploaded. | 18 February 2019 10:17 CET | Version of Record | https://www.mdpi.com/1424-8220/19/4/834/pdf |
| article xml uploaded. | 18 February 2019 10:17 CET | Update | https://www.mdpi.com/1424-8220/19/4/834/xml |
| article xml file uploaded | 18 February 2019 10:17 CET | Original file | - |
