| article html file updated | 9 June 2020 09:49 CEST | Update | https://www.mdpi.com/2414-6366/4/1/52 |
| article html file updated | 12 February 2020 00:39 CET | Update | - |
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| article pdf uploaded. | 25 March 2019 11:35 CET | Version of Record | https://www.mdpi.com/2414-6366/4/1/52/pdf |
| article xml uploaded. | 25 March 2019 11:35 CET | Update | https://www.mdpi.com/2414-6366/4/1/52/xml |
| article xml file uploaded | 25 March 2019 11:35 CET | Original file | - |