| article html file updated | 9 February 2020 04:56 CET | Update | https://www.mdpi.com/2073-8994/10/2/39 |
| article html file updated | 30 September 2019 08:57 CEST | Update | - |
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| article xml uploaded. | 30 January 2018 17:33 CET | Original file | https://www.mdpi.com/2073-8994/10/2/39/xml |
| article pdf uploaded. | 30 January 2018 17:33 CET | Version of Record | https://www.mdpi.com/2073-8994/10/2/39/pdf |
