| article html file updated | 21 December 2020 07:50 CET | Original file | https://www.mdpi.com/2076-2607/8/12/2046 |
| article pdf uploaded. | 21 December 2020 07:49 CET | Version of Record | https://www.mdpi.com/2076-2607/8/12/2046/pdf |
| article xml uploaded. | 21 December 2020 07:49 CET | Update | https://www.mdpi.com/2076-2607/8/12/2046/xml |
| article xml file uploaded | 21 December 2020 07:49 CET | Original file | - |
