| article html file updated | 14 February 2020 05:15 CET | Update | https://www.mdpi.com/2504-3110/3/4/48 |
| article html file updated | 31 December 2019 15:13 CET | Update | - |
| article html file updated | 30 October 2019 12:06 CET | Original file | - |
| article pdf uploaded. | 30 October 2019 12:04 CET | Version of Record | https://www.mdpi.com/2504-3110/3/4/48/pdf |
| article xml uploaded. | 30 October 2019 12:04 CET | Update | https://www.mdpi.com/2504-3110/3/4/48/xml |
| article xml file uploaded | 30 October 2019 12:04 CET | Original file | - |
