| article html file updated | 14 February 2020 09:30 CET | Update | https://www.mdpi.com/2075-4418/9/4/188 |
| article html file updated | 30 December 2019 11:10 CET | Update | - |
| article html file updated | 14 November 2019 07:43 CET | Original file | - |
| article pdf uploaded. | 14 November 2019 07:42 CET | Version of Record | https://www.mdpi.com/2075-4418/9/4/188/pdf |
| article xml uploaded. | 14 November 2019 07:42 CET | Update | https://www.mdpi.com/2075-4418/9/4/188/xml |
| article xml file uploaded | 14 November 2019 07:42 CET | Original file | - |
