| article html file updated | 7 February 2020 18:55 CET | Update | https://www.mdpi.com/2072-666X/7/12/218 |
| article html file updated | 22 September 2019 08:11 CEST | Update | N/A |
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| article xml uploaded. | 1 December 2016 14:14 CET | Original file | https://www.mdpi.com/2072-666X/7/12/218/xml |
| article pdf uploaded. | 1 December 2016 14:14 CET | Version of Record | https://www.mdpi.com/2072-666X/7/12/218/pdf |
