| article html file updated | 9 February 2020 13:43 CET | Update | https://www.mdpi.com/1996-1073/11/4/926 |
| article html file updated | 2 October 2019 14:18 CEST | Update | - |
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| article html file updated | 13 April 2018 17:13 CEST | Original file | - |
| article xml uploaded. | 13 April 2018 17:12 CEST | Update | https://www.mdpi.com/1996-1073/11/4/926/xml |
| article pdf uploaded. | 13 April 2018 17:11 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/926/pdf |
