| article html file updated | 9 February 2020 14:26 CET | Update | https://www.mdpi.com/1424-8220/18/4/1256 |
| article html file updated | 2 October 2019 18:27 CEST | Update | - |
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| article html file updated | 7 May 2018 05:22 CEST | Update | - |
| article html file updated | 19 April 2018 05:21 CEST | Original file | - |
| article pdf uploaded. | 19 April 2018 05:20 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/4/1256/pdf |
| article xml uploaded. | 19 April 2018 05:20 CEST | Update | https://www.mdpi.com/1424-8220/18/4/1256/xml |
| article xml file uploaded | 19 April 2018 05:20 CEST | Original file | - |
