| article html file updated | 7 February 2020 20:09 CET | Update | https://www.mdpi.com/1660-4601/14/1/7 |
| article html file updated | 22 September 2019 14:20 CEST | Update | - |
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| article xml uploaded. | 22 December 2016 11:51 CET | Original file | https://www.mdpi.com/1660-4601/14/1/7/xml |
| article pdf uploaded. | 22 December 2016 11:51 CET | Version of Record | https://www.mdpi.com/1660-4601/14/1/7/pdf |
