| article html file updated | 14 February 2020 13:57 CET | Update | https://www.mdpi.com/2227-7102/9/4/283 |
| article html file updated | 18 December 2019 10:48 CET | Original file | - |
| article pdf uploaded. | 18 December 2019 10:45 CET | Updated version of record | https://www.mdpi.com/2227-7102/9/4/283/pdf |
| article xml uploaded. | 18 December 2019 10:45 CET | Update | https://www.mdpi.com/2227-7102/9/4/283/xml |
| article xml file uploaded | 18 December 2019 10:45 CET | Update | - |
| article pdf uploaded. | 28 November 2019 11:55 CET | Version of Record | https://www.mdpi.com/2227-7102/9/4/283/pdf-vor |
| article xml file uploaded | 28 November 2019 11:55 CET | Original file | - |
