| article html file updated | 13 February 2020 06:00 CET | Update | https://www.mdpi.com/2409-9287/4/3/43 |
| article html file updated | 30 July 2019 11:55 CEST | Original file | N/A |
| article pdf uploaded. | 30 July 2019 11:54 CEST | Version of Record | https://www.mdpi.com/2409-9287/4/3/43/pdf |
| article xml uploaded. | 30 July 2019 11:54 CEST | Update | https://www.mdpi.com/2409-9287/4/3/43/xml |
| article xml file uploaded | 30 July 2019 11:54 CEST | Original file | N/A |
