| article html file updated | 8 May 2021 10:05 CEST | Update | https://www.mdpi.com/2077-1312/9/5/498 |
| article html file updated | 8 May 2021 07:38 CEST | Original file | - |
| article pdf uploaded. | 8 May 2021 07:37 CEST | Updated version of record | https://www.mdpi.com/2077-1312/9/5/498/pdf |
| article xml uploaded. | 8 May 2021 07:37 CEST | Update | https://www.mdpi.com/2077-1312/9/5/498/xml |
| article xml file uploaded | 8 May 2021 07:37 CEST | Original file | - |
| article pdf uploaded. | 4 May 2021 14:21 CEST | Version of Record | https://www.mdpi.com/2077-1312/9/5/498/pdf-vor |
