| article html file updated | 9 February 2020 01:51 CET | Update | https://www.mdpi.com/2414-6366/3/1/2 |
| article html file updated | 29 September 2019 15:29 CEST | Update | - |
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| article xml uploaded. | 3 January 2018 09:30 CET | Original file | https://www.mdpi.com/2414-6366/3/1/2/xml |
| article pdf uploaded. | 3 January 2018 09:30 CET | Version of Record | https://www.mdpi.com/2414-6366/3/1/2/pdf |
