| article html file updated | 16 April 2020 09:51 CEST | Original file | https://www.mdpi.com/2076-0787/9/2/29 |
| article pdf uploaded. | 16 April 2020 09:50 CEST | Updated version of record | https://www.mdpi.com/2076-0787/9/2/29/pdf |
| article xml uploaded. | 16 April 2020 09:50 CEST | Update | https://www.mdpi.com/2076-0787/9/2/29/xml |
| article xml file uploaded | 16 April 2020 09:50 CEST | Update | - |
| article pdf uploaded. | 4 April 2020 17:35 CEST | Version of Record | https://www.mdpi.com/2076-0787/9/2/29/pdf-vor |
| article xml file uploaded | 4 April 2020 17:35 CEST | Original file | - |
