| article html file updated | 14 February 2020 09:50 CET | Update | https://www.mdpi.com/2227-9032/7/4/145 |
| article html file updated | 30 December 2019 09:55 CET | Update | - |
| article html file updated | 14 November 2019 16:08 CET | Original file | - |
| article pdf uploaded. | 14 November 2019 16:07 CET | Version of Record | https://www.mdpi.com/2227-9032/7/4/145/pdf |
| article xml uploaded. | 14 November 2019 16:07 CET | Update | https://www.mdpi.com/2227-9032/7/4/145/xml |
| article xml file uploaded | 14 November 2019 16:07 CET | Original file | - |
