| article html file updated | 11 February 2020 09:29 CET | Update | https://www.mdpi.com/2504-3110/3/1/2 |
| article html file updated | 27 April 2019 05:28 CEST | Update | - |
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| article xml uploaded. | 16 January 2019 14:14 CET | Original file | https://www.mdpi.com/2504-3110/3/1/2/xml |
| article pdf uploaded. | 16 January 2019 14:14 CET | Version of Record | https://www.mdpi.com/2504-3110/3/1/2/pdf |
