| article html file updated | 11 February 2020 09:44 CET | Update | https://www.mdpi.com/1996-1073/12/2/286 |
| article html file updated | 13 October 2019 13:08 CEST | Update | N/A |
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| article xml uploaded. | 17 January 2019 12:31 CET | Original file | https://www.mdpi.com/1996-1073/12/2/286/xml |
| article pdf uploaded. | 17 January 2019 12:31 CET | Version of Record | https://www.mdpi.com/1996-1073/12/2/286/pdf |