| article html file updated | 12 February 2020 02:30 CET | Update | https://www.mdpi.com/1999-5903/11/4/90 |
| article html file updated | 17 October 2019 15:15 CEST | Update | - |
| article html file updated | 8 May 2019 18:34 CEST | Update | - |
| article html file updated | 25 April 2019 17:54 CEST | Update | - |
| article html file updated | 11 April 2019 13:32 CEST | Update | - |
| article html file updated | 10 April 2019 08:12 CEST | Update | - |
| article html file updated | 2 April 2019 13:57 CEST | Original file | - |
| article pdf uploaded. | 2 April 2019 13:55 CEST | Version of Record | https://www.mdpi.com/1999-5903/11/4/90/pdf |
| article xml uploaded. | 2 April 2019 13:55 CEST | Update | https://www.mdpi.com/1999-5903/11/4/90/xml |
| article xml file uploaded | 2 April 2019 13:55 CEST | Original file | - |
