| article html file updated | 11 February 2020 22:19 CET | Update | https://www.mdpi.com/2071-1050/11/6/1568 |
| article html file updated | 16 October 2019 15:06 CEST | Update | - |
| article html file updated | 26 April 2019 03:01 CEST | Update | - |
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| article html file updated | 14 March 2019 16:20 CET | Original file | - |
| article pdf uploaded. | 14 March 2019 16:19 CET | Version of Record | https://www.mdpi.com/2071-1050/11/6/1568/pdf |
| article xml uploaded. | 14 March 2019 16:19 CET | Update | https://www.mdpi.com/2071-1050/11/6/1568/xml |
| article xml file uploaded | 14 March 2019 16:19 CET | Original file | - |
