| article html file updated | 12 February 2020 03:51 CET | Update | https://www.mdpi.com/2227-9717/7/4/201 |
| article html file updated | 17 October 2019 23:07 CEST | Update | - |
| article html file updated | 25 April 2019 15:12 CEST | Update | - |
| article html file updated | 19 April 2019 11:55 CEST | Original file | - |
| article pdf uploaded. | 19 April 2019 11:54 CEST | Updated version of record | https://www.mdpi.com/2227-9717/7/4/201/pdf |
| article xml uploaded. | 19 April 2019 11:54 CEST | Update | https://www.mdpi.com/2227-9717/7/4/201/xml |
| article xml file uploaded | 19 April 2019 11:54 CEST | Update | - |
| article pdf uploaded. | 8 April 2019 16:37 CEST | Version of Record | https://www.mdpi.com/2227-9717/7/4/201/pdf-vor |
| article xml file uploaded | 8 April 2019 16:37 CEST | Original file | - |
