| article html file updated | 9 February 2020 05:19 CET | Update | https://www.mdpi.com/2072-666X/9/2/66 |
| article html file updated | 30 September 2019 11:26 CEST | Update | - |
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| article html file updated | 14 March 2018 09:36 CET | Update | - |
| article html file updated | 2 February 2018 11:30 CET | Original file | - |
| article xml uploaded. | 2 February 2018 11:09 CET | Original file | https://www.mdpi.com/2072-666X/9/2/66/xml |
| article pdf uploaded. | 2 February 2018 11:09 CET | Version of Record | https://www.mdpi.com/2072-666X/9/2/66/pdf |
