| article html file updated | 14 February 2020 06:20 CET | Update | https://www.mdpi.com/1424-8220/19/21/4776 |
| article html file updated | 15 November 2019 14:30 CET | Update | - |
| article html file updated | 4 November 2019 08:51 CET | Update | - |
| article pdf uploaded. | 4 November 2019 08:49 CET | Updated version of record | https://www.mdpi.com/1424-8220/19/21/4776/pdf |
| article xml uploaded. | 4 November 2019 08:49 CET | Update | https://www.mdpi.com/1424-8220/19/21/4776/xml |
| article xml file uploaded | 4 November 2019 08:49 CET | Update | - |
| article html file updated | 3 November 2019 05:46 CET | Original file | - |
| article pdf uploaded. | 3 November 2019 05:44 CET | Version of Record | https://www.mdpi.com/1424-8220/19/21/4776/pdf-vor |
| article xml uploaded. | 3 November 2019 05:44 CET | Update | - |
| article xml file uploaded | 3 November 2019 05:44 CET | Original file | - |
