| article html file updated | 11 February 2020 08:42 CET | Update | https://www.mdpi.com/1999-5903/11/1/17 |
| article html file updated | 13 October 2019 07:41 CEST | Update | - |
| article html file updated | 27 April 2019 07:08 CEST | Update | - |
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| article html file updated | 29 January 2019 09:28 CET | Update | - |
| article html file updated | 14 January 2019 09:41 CET | Original file | - |
| article pdf uploaded. | 14 January 2019 09:39 CET | Version of Record | https://www.mdpi.com/1999-5903/11/1/17/pdf |
| article xml uploaded. | 14 January 2019 09:39 CET | Update | https://www.mdpi.com/1999-5903/11/1/17/xml |
| article xml file uploaded | 14 January 2019 09:39 CET | Original file | - |