| article html file updated | 14 April 2020 05:28 CEST | Update | https://www.mdpi.com/1999-4907/11/4/437 |
| article pdf uploaded. | 14 April 2020 05:27 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/4/437/pdf |
| article xml uploaded. | 14 April 2020 05:27 CEST | Update | https://www.mdpi.com/1999-4907/11/4/437/xml |
| article xml file uploaded | 14 April 2020 05:27 CEST | Update | - |
| article html file updated | 13 April 2020 12:45 CEST | Original file | - |
| article pdf uploaded. | 13 April 2020 12:44 CEST | Version of Record | https://www.mdpi.com/1999-4907/11/4/437/pdf-vor |
| article xml file uploaded | 13 April 2020 12:44 CEST | Original file | - |
