| article html file updated | 12 February 2020 23:57 CET | Update | https://www.mdpi.com/2410-3888/4/3/39 |
| article html file updated | 3 July 2019 12:55 CEST | Original file | - |
| article pdf uploaded. | 3 July 2019 12:54 CEST | Version of Record | https://www.mdpi.com/2410-3888/4/3/39/pdf |
| article xml uploaded. | 3 July 2019 12:54 CEST | Update | https://www.mdpi.com/2410-3888/4/3/39/xml |
| article xml file uploaded | 3 July 2019 12:54 CEST | Original file | - |
