| article html file updated | 14 February 2020 08:00 CET | Update | https://www.mdpi.com/2412-382X/3/4/21 |
| article html file updated | 27 November 2019 22:57 CET | Original file | N/A |
| article pdf uploaded. | 27 November 2019 10:46 CET | Updated version of record | https://www.mdpi.com/2412-382X/3/4/21/pdf |
| article xml uploaded. | 27 November 2019 10:46 CET | Update | https://www.mdpi.com/2412-382X/3/4/21/xml |
| article xml file uploaded | 27 November 2019 10:45 CET | Update | N/A |
| article pdf uploaded. | 8 November 2019 12:41 CET | Version of Record | https://www.mdpi.com/2412-382X/3/4/21/pdf-vor |
| article xml file uploaded | 8 November 2019 12:41 CET | Original file | N/A |
