| article html file updated | 10 September 2020 15:21 CEST | Original file | https://www.mdpi.com/2076-0787/9/3/109 |
| article pdf uploaded. | 10 September 2020 15:20 CEST | Version of Record | https://www.mdpi.com/2076-0787/9/3/109/pdf |
| article xml uploaded. | 10 September 2020 15:20 CEST | Update | https://www.mdpi.com/2076-0787/9/3/109/xml |
| article xml file uploaded | 10 September 2020 15:20 CEST | Original file | N/A |
