| article html file updated | 9 February 2020 03:25 CET | Update | https://www.mdpi.com/2297-8747/23/1/5 |
| article html file updated | 30 September 2019 00:10 CEST | Update | - |
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| article html file updated | 17 January 2018 15:23 CET | Original file | - |
| article xml uploaded. | 17 January 2018 15:21 CET | Original file | https://www.mdpi.com/2297-8747/23/1/5/xml |
| article pdf uploaded. | 17 January 2018 15:21 CET | Version of Record | https://www.mdpi.com/2297-8747/23/1/5/pdf |
