| article html file updated | 19 July 2022 15:35 CEST | Update | https://www.mdpi.com/1424-8220/19/4/981 |
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| article html file updated | 26 February 2019 03:22 CET | Original file | - |
| article pdf uploaded. | 25 February 2019 18:23 CET | Version of Record | https://www.mdpi.com/1424-8220/19/4/981/pdf |
| article xml uploaded. | 25 February 2019 18:23 CET | Update | https://www.mdpi.com/1424-8220/19/4/981/xml |
| article xml file uploaded | 25 February 2019 18:23 CET | Original file | - |
