| article html file updated | 15 February 2020 03:48 CET | Update | https://www.mdpi.com/2071-1050/12/2/684 |
| article html file updated | 17 January 2020 11:05 CET | Original file | N/A |
| article pdf uploaded. | 17 January 2020 11:04 CET | Version of Record | https://www.mdpi.com/2071-1050/12/2/684/pdf |
| article xml uploaded. | 17 January 2020 11:04 CET | Update | https://www.mdpi.com/2071-1050/12/2/684/xml |
| article xml file uploaded | 17 January 2020 11:04 CET | Original file | N/A |
