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| article html file updated | 22 November 2019 12:33 CET | Original file | N/A |
| article pdf uploaded. | 22 November 2019 12:32 CET | Updated version of record | https://www.mdpi.com/2079-6382/8/4/209/pdf |
| article xml uploaded. | 22 November 2019 12:32 CET | Update | https://www.mdpi.com/2079-6382/8/4/209/xml |
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| article pdf uploaded. | 6 November 2019 03:40 CET | Updated version of record | https://www.mdpi.com/2079-6382/8/4/209/pdf-vor |
| article xml file uploaded | 6 November 2019 03:40 CET | Update | N/A |
| article pdf uploaded. | 1 November 2019 11:08 CET | Version of Record | https://www.mdpi.com/2079-6382/8/4/209/pdf-vor |
| article xml file uploaded | 1 November 2019 11:08 CET | Original file | N/A |
