| article html file updated | 8 February 2020 22:02 CET | Update | https://www.mdpi.com/1996-1073/10/12/1935 |
| article html file updated | 28 September 2019 17:01 CEST | Update | N/A |
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| article html file updated | 23 November 2017 11:56 CET | Original file | N/A |
| article xml uploaded. | 23 November 2017 11:54 CET | Original file | https://www.mdpi.com/1996-1073/10/12/1935/xml |
| article pdf uploaded. | 23 November 2017 11:54 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/1935/pdf |
