| article html file updated | 11 February 2020 05:14 CET | Update | https://www.mdpi.com/1999-4893/12/1/7 |
| article html file updated | 12 October 2019 11:36 CEST | Update | - |
| article html file updated | 27 April 2019 14:43 CEST | Update | - |
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| article html file updated | 29 January 2019 03:10 CET | Update | - |
| article html file updated | 25 December 2018 10:27 CET | Original file | - |
| article pdf uploaded. | 25 December 2018 10:25 CET | Version of Record | https://www.mdpi.com/1999-4893/12/1/7/pdf |
| article xml uploaded. | 25 December 2018 10:25 CET | Update | https://www.mdpi.com/1999-4893/12/1/7/xml |
| article xml file uploaded | 25 December 2018 10:25 CET | Original file | - |
