| article html file updated | 18 November 2020 01:10 CET | Update | https://www.mdpi.com/2571-841X/3/1/2 |
| article html file updated | 15 February 2020 04:28 CET | Update | - |
| article html file updated | 1 February 2020 08:18 CET | Original file | - |
| article xml uploaded. | 1 February 2020 08:17 CET | Update | https://www.mdpi.com/2571-841X/3/1/2/xml |
| article pdf uploaded. | 22 January 2020 04:55 CET | Updated version of record | https://www.mdpi.com/2571-841X/3/1/2/pdf |
| article pdf uploaded. | 19 January 2020 12:29 CET | Version of Record | - |
| article xml file uploaded | 19 January 2020 12:29 CET | Original file | - |
