| article html file updated | 11 February 2020 11:11 CET | Update | https://www.mdpi.com/1999-5903/11/2/26 |
| article html file updated | 13 October 2019 20:41 CEST | Update | - |
| article html file updated | 27 April 2019 02:08 CEST | Update | - |
| article html file updated | 12 April 2019 22:05 CEST | Update | - |
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| article html file updated | 1 March 2019 14:17 CET | Update | - |
| article html file updated | 23 January 2019 17:16 CET | Original file | - |
| article pdf uploaded. | 23 January 2019 17:14 CET | Version of Record | https://www.mdpi.com/1999-5903/11/2/26/pdf |
| article xml uploaded. | 23 January 2019 17:14 CET | Update | https://www.mdpi.com/1999-5903/11/2/26/xml |
| article xml file uploaded | 23 January 2019 17:14 CET | Original file | - |
