| article html file updated | 8 February 2020 07:11 CET | Update | https://www.mdpi.com/2072-666X/8/6/173 |
| article html file updated | 25 September 2019 02:47 CEST | Update | - |
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| article html file updated | 15 October 2018 05:48 CEST | Update | - |
| article html file updated | 27 June 2017 11:35 CEST | Update | - |
| article html file updated | 2 June 2017 05:11 CEST | Original file | - |
| article xml uploaded. | 2 June 2017 05:10 CEST | Update | https://www.mdpi.com/2072-666X/8/6/173/xml |
| article pdf uploaded. | 1 June 2017 12:32 CEST | Version of Record | https://www.mdpi.com/2072-666X/8/6/173/pdf |
