| article html file updated | 9 March 2020 12:07 CET | Original file | https://www.mdpi.com/2504-5377/4/1/6 |
| article pdf uploaded. | 9 March 2020 12:05 CET | Updated version of record | https://www.mdpi.com/2504-5377/4/1/6/pdf |
| article xml uploaded. | 9 March 2020 12:05 CET | Update | https://www.mdpi.com/2504-5377/4/1/6/xml |
| article xml file uploaded | 9 March 2020 12:05 CET | Update | N/A |
| article pdf uploaded. | 19 January 2020 11:09 CET | Updated version of record | N/A |
| article pdf uploaded. | 19 January 2020 10:00 CET | Version of Record | N/A |
| article xml file uploaded | 19 January 2020 10:00 CET | Original file | N/A |
