| article html file updated | 8 February 2020 06:45 CET | Update | https://www.mdpi.com/1996-1073/10/6/746 |
| article html file updated | 25 September 2019 00:37 CEST | Update | - |
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| article xml uploaded. | 25 May 2017 16:19 CEST | Update | https://www.mdpi.com/1996-1073/10/6/746/xml |
| article pdf uploaded. | 25 May 2017 16:19 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/6/746/pdf |
