| article html file updated | 8 October 2020 16:55 CEST | Update | https://www.mdpi.com/2571-6131/3/1/6 |
| article html file updated | 27 March 2020 09:04 CET | Original file | N/A |
| article pdf uploaded. | 27 March 2020 09:02 CET | Updated version of record | https://www.mdpi.com/2571-6131/3/1/6/pdf |
| article xml uploaded. | 27 March 2020 09:02 CET | Update | https://www.mdpi.com/2571-6131/3/1/6/xml |
| article xml file uploaded | 27 March 2020 09:02 CET | Update | N/A |
| article pdf uploaded. | 5 February 2020 17:10 CET | Version of Record | N/A |
| article xml file uploaded | 5 February 2020 17:10 CET | Original file | N/A |
