| article html file updated | 9 February 2020 09:36 CET | Update | https://www.mdpi.com/2079-4991/8/3/159 |
| article html file updated | 1 October 2019 13:39 CEST | Update | - |
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| article html file updated | 13 March 2018 05:41 CET | Original file | - |
| article xml uploaded. | 13 March 2018 05:40 CET | Update | https://www.mdpi.com/2079-4991/8/3/159/xml |
| article pdf uploaded. | 13 March 2018 05:40 CET | Version of Record | https://www.mdpi.com/2079-4991/8/3/159/pdf |
