| article html file updated | 9 February 2020 02:28 CET | Update | https://www.mdpi.com/2079-4991/8/1/33 |
| article html file updated | 29 September 2019 18:50 CEST | Update | - |
| article html file updated | 2 May 2019 03:28 CEST | Update | - |
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| article html file updated | 1 February 2018 08:32 CET | Update | - |
| article html file updated | 9 January 2018 18:40 CET | Original file | - |
| article xml uploaded. | 9 January 2018 18:38 CET | Update | https://www.mdpi.com/2079-4991/8/1/33/xml |
| article pdf uploaded. | 9 January 2018 18:38 CET | Version of Record | https://www.mdpi.com/2079-4991/8/1/33/pdf |
