| article html file updated | 7 February 2020 20:27 CET | Update | https://www.mdpi.com/1660-4601/14/1/23 |
| article html file updated | 22 September 2019 16:05 CEST | Update | - |
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| article html file updated | 28 December 2016 12:15 CET | Original file | - |
| article xml uploaded. | 28 December 2016 12:14 CET | Original file | https://www.mdpi.com/1660-4601/14/1/23/xml |
| article pdf uploaded. | 28 December 2016 12:14 CET | Version of Record | https://www.mdpi.com/1660-4601/14/1/23/pdf |
