| article html file updated | 12 February 2020 07:27 CET | Update | https://www.mdpi.com/2227-9717/7/4/231 |
| article html file updated | 18 October 2019 22:05 CEST | Update | - |
| article html file updated | 25 April 2019 07:38 CEST | Update | - |
| article html file updated | 24 April 2019 12:08 CEST | Original file | - |
| article pdf uploaded. | 24 April 2019 12:07 CEST | Version of Record | https://www.mdpi.com/2227-9717/7/4/231/pdf |
| article xml uploaded. | 24 April 2019 12:07 CEST | Update | https://www.mdpi.com/2227-9717/7/4/231/xml |
| article xml file uploaded | 24 April 2019 12:07 CEST | Original file | - |
