| article html file updated | 9 February 2020 02:48 CET | Update | https://www.mdpi.com/2079-4991/8/1/37 |
| article html file updated | 29 September 2019 20:35 CEST | Update | - |
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| article html file updated | 1 February 2018 08:33 CET | Update | - |
| article html file updated | 12 January 2018 09:35 CET | Original file | - |
| article xml uploaded. | 12 January 2018 09:34 CET | Original file | https://www.mdpi.com/2079-4991/8/1/37/xml |
| article pdf uploaded. | 12 January 2018 09:34 CET | Version of Record | https://www.mdpi.com/2079-4991/8/1/37/pdf |
