| article html file updated | 10 September 2020 08:21 CEST | Original file | https://www.mdpi.com/2227-9032/8/3/331 |
| article pdf uploaded. | 10 September 2020 08:20 CEST | Version of Record | https://www.mdpi.com/2227-9032/8/3/331/pdf |
| article xml uploaded. | 10 September 2020 08:20 CEST | Update | https://www.mdpi.com/2227-9032/8/3/331/xml |
| article xml file uploaded | 10 September 2020 08:20 CEST | Original file | N/A |
