| article html file updated | 12 February 2020 02:33 CET | Update | https://www.mdpi.com/2227-9717/7/4/191 |
| article html file updated | 17 October 2019 15:36 CEST | Update | - |
| article html file updated | 25 April 2019 17:48 CEST | Update | - |
| article html file updated | 17 April 2019 12:03 CEST | Original file | - |
| article pdf uploaded. | 17 April 2019 12:02 CEST | Updated version of record | https://www.mdpi.com/2227-9717/7/4/191/pdf |
| article xml uploaded. | 17 April 2019 12:02 CEST | Update | https://www.mdpi.com/2227-9717/7/4/191/xml |
| article xml file uploaded | 17 April 2019 12:01 CEST | Update | - |
| article pdf uploaded. | 2 April 2019 15:43 CEST | Version of Record | https://www.mdpi.com/2227-9717/7/4/191/pdf-vor |
| article xml file uploaded | 2 April 2019 15:43 CEST | Original file | - |
