| article html file updated | 7 February 2020 20:35 CET | Update | https://www.mdpi.com/1660-4601/14/1/29 |
| article html file updated | 22 September 2019 16:48 CEST | Update | - |
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| article html file updated | 7 February 2017 10:47 CET | Update | - |
| article html file updated | 30 December 2016 13:07 CET | Original file | - |
| article xml uploaded. | 30 December 2016 13:06 CET | Original file | https://www.mdpi.com/1660-4601/14/1/29/xml |
| article pdf uploaded. | 30 December 2016 13:06 CET | Version of Record | https://www.mdpi.com/1660-4601/14/1/29/pdf |
