| article html file updated | 9 February 2020 11:12 CET | Update | https://www.mdpi.com/1996-1073/11/4/744 |
| article html file updated | 1 October 2019 23:03 CEST | Update | - |
| article html file updated | 1 May 2019 08:52 CEST | Update | - |
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| article html file updated | 29 March 2019 09:39 CET | Update | - |
| article html file updated | 1 May 2018 08:37 CEST | Update | - |
| article html file updated | 25 March 2018 10:12 CEST | Original file | - |
| article xml uploaded. | 25 March 2018 10:11 CEST | Update | https://www.mdpi.com/1996-1073/11/4/744/xml |
| article pdf uploaded. | 25 March 2018 10:11 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/744/pdf |
