| article html file updated | 9 February 2020 09:45 CET | Update | https://www.mdpi.com/1996-1073/11/3/642 |
| article html file updated | 1 October 2019 14:35 CEST | Update | - |
| article html file updated | 1 May 2019 11:56 CEST | Update | - |
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| article html file updated | 27 March 2018 06:14 CEST | Update | - |
| article html file updated | 14 March 2018 06:00 CET | Original file | - |
| article xml uploaded. | 14 March 2018 05:58 CET | Update | https://www.mdpi.com/1996-1073/11/3/642/xml |
| article pdf uploaded. | 14 March 2018 05:58 CET | Version of Record | https://www.mdpi.com/1996-1073/11/3/642/pdf |
