| article html file updated | 8 February 2020 23:40 CET | Update | https://www.mdpi.com/1999-4915/9/12/379 |
| article html file updated | 29 September 2019 02:45 CEST | Update | N/A |
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| article xml uploaded. | 10 December 2017 10:01 CET | Original file | https://www.mdpi.com/1999-4915/9/12/379/xml |
| article pdf uploaded. | 10 December 2017 10:01 CET | Version of Record | https://www.mdpi.com/1999-4915/9/12/379/pdf |