| article html file updated | 12 February 2020 06:00 CET | Update | https://www.mdpi.com/2079-9292/8/4/439 |
| article html file updated | 9 May 2019 12:21 CEST | Update | - |
| article html file updated | 25 April 2019 10:14 CEST | Update | - |
| article html file updated | 24 April 2019 11:26 CEST | Original file | - |
| article pdf uploaded. | 24 April 2019 11:24 CEST | Updated version of record | https://www.mdpi.com/2079-9292/8/4/439/pdf |
| article xml uploaded. | 24 April 2019 11:24 CEST | Update | https://www.mdpi.com/2079-9292/8/4/439/xml |
| article xml file uploaded | 24 April 2019 11:24 CEST | Update | - |
| article pdf uploaded. | 17 April 2019 15:07 CEST | Version of Record | https://www.mdpi.com/2079-9292/8/4/439/pdf-vor |
| article xml file uploaded | 17 April 2019 15:07 CEST | Original file | - |
