| article html file updated | 8 February 2020 22:38 CET | Update | https://www.mdpi.com/2073-4425/8/12/346 |
| article html file updated | 28 September 2019 20:38 CEST | Update | N/A |
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| article xml uploaded. | 30 November 2017 10:12 CET | Original file | https://www.mdpi.com/2073-4425/8/12/346/xml |
| article pdf uploaded. | 30 November 2017 10:12 CET | Version of Record | https://www.mdpi.com/2073-4425/8/12/346/pdf |