| article html file updated | 8 May 2020 19:36 CEST | Update | https://www.mdpi.com/2077-1444/11/4/172 |
| article html file updated | 8 April 2020 15:51 CEST | Original file | - |
| article pdf uploaded. | 8 April 2020 15:50 CEST | Updated version of record | https://www.mdpi.com/2077-1444/11/4/172/pdf |
| article xml uploaded. | 8 April 2020 15:50 CEST | Update | https://www.mdpi.com/2077-1444/11/4/172/xml |
| article xml file uploaded | 8 April 2020 15:50 CEST | Update | - |
| article pdf uploaded. | 6 April 2020 12:55 CEST | Version of Record | https://www.mdpi.com/2077-1444/11/4/172/pdf-vor |
| article xml file uploaded | 6 April 2020 12:55 CEST | Original file | - |
