| article html file updated | 14 February 2020 09:11 CET | Update | https://www.mdpi.com/2075-1702/7/4/71 |
| article html file updated | 13 November 2019 09:12 CET | Original file | N/A |
| article pdf uploaded. | 13 November 2019 09:10 CET | Version of Record | https://www.mdpi.com/2075-1702/7/4/71/pdf |
| article xml uploaded. | 13 November 2019 09:10 CET | Update | https://www.mdpi.com/2075-1702/7/4/71/xml |
| article xml file uploaded | 13 November 2019 09:09 CET | Original file | N/A |
