| article html file updated | 13 February 2020 21:22 CET | Update | https://www.mdpi.com/2624-5647/1/4/31 |
| article html file updated | 29 September 2019 13:03 CEST | Original file | - |
| article pdf uploaded. | 29 September 2019 13:02 CEST | Version of Record | https://www.mdpi.com/2624-5647/1/4/31/pdf |
| article xml uploaded. | 29 September 2019 13:02 CEST | Update | https://www.mdpi.com/2624-5647/1/4/31/xml |
| article xml file uploaded | 29 September 2019 13:02 CEST | Original file | - |
