| article html file updated | 2 April 2020 09:16 CEST | Update | https://www.mdpi.com/2075-1680/9/1/6 |
| article html file updated | 14 February 2020 22:55 CET | Update | - |
| article html file updated | 15 January 2020 10:51 CET | Original file | - |
| article pdf uploaded. | 15 January 2020 10:50 CET | Updated version of record | https://www.mdpi.com/2075-1680/9/1/6/pdf |
| article xml uploaded. | 15 January 2020 10:50 CET | Update | https://www.mdpi.com/2075-1680/9/1/6/xml |
| article xml file uploaded | 15 January 2020 10:50 CET | Update | - |
| article pdf uploaded. | 31 December 2019 09:46 CET | Version of Record | https://www.mdpi.com/2075-1680/9/1/6/pdf-vor |
| article xml file uploaded | 31 December 2019 09:45 CET | Original file | - |
