| article html file updated | 14 February 2020 10:42 CET | Update | https://www.mdpi.com/2075-4418/9/4/195 |
| article html file updated | 30 December 2019 11:12 CET | Update | - |
| article html file updated | 20 November 2019 07:12 CET | Update | - |
| article pdf uploaded. | 20 November 2019 07:10 CET | Updated version of record | https://www.mdpi.com/2075-4418/9/4/195/pdf |
| article xml uploaded. | 20 November 2019 07:10 CET | Update | https://www.mdpi.com/2075-4418/9/4/195/xml |
| article xml file uploaded | 20 November 2019 07:10 CET | Update | - |
| article html file updated | 18 November 2019 09:16 CET | Original file | - |
| article pdf uploaded. | 18 November 2019 09:15 CET | Version of Record | https://www.mdpi.com/2075-4418/9/4/195/pdf-vor |
| article xml uploaded. | 18 November 2019 09:15 CET | Update | - |
| article xml file uploaded | 18 November 2019 09:15 CET | Original file | - |
