| article html file updated | 2 April 2020 09:21 CEST | Update | https://www.mdpi.com/2410-3896/5/1/6 |
| article html file updated | 15 February 2020 03:01 CET | Update | N/A |
| article html file updated | 31 January 2020 08:33 CET | Original file | N/A |
| article xml uploaded. | 31 January 2020 08:32 CET | Update | https://www.mdpi.com/2410-3896/5/1/6/xml |
| article pdf uploaded. | 31 January 2020 08:32 CET | Updated version of record | https://www.mdpi.com/2410-3896/5/1/6/pdf |
| article pdf uploaded. | 15 January 2020 12:03 CET | Updated version of record | https://www.mdpi.com/2410-3896/5/1/6/pdf-vor |
| article pdf uploaded. | 15 January 2020 12:02 CET | Version of Record | https://www.mdpi.com/2410-3896/5/1/6/pdf-vor |
| article xml file uploaded | 15 January 2020 12:02 CET | Original file | N/A |
